Home / 30,330,058.10-45,495,087.15-30,141,101.30

Finding the Fourth Proportional to 30,330,058.10, 45,495,087.15 and 30,141,101.30

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Solution

The fourth proportional to 30,330,058.10, 45,495,087.15 and 30,141,101.30 is: 45,211,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,058.10 : 45,495,087.15 = 30,141,101.30 : x
  2. Step 2: Convert to fraction form
    30,330,058.10/45,495,087.15 = 30,141,101.30/x
  3. Step 3: Cross multiply
    30,330,058.10x = 45,495,087.15 × 30,141,101.30
  4. Step 4: Simplify right side
    30,330,058.10x = 1,371,272,030,440,478.25
  5. Step 5: Solve for x
    x = 1,371,272,030,440,478.25/30,330,058.10
  6. Step 6: Final answer
    x = 45,211,651.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.