Home / 52,587,142.20-78,880,713.30-31,032,070.20

Finding the Fourth Proportional to 52,587,142.20, 78,880,713.30 and 31,032,070.20

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Solution

The fourth proportional to 52,587,142.20, 78,880,713.30 and 31,032,070.20 is: 46,548,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,587,142.20 : 78,880,713.30 = 31,032,070.20 : x
  2. Step 2: Convert to fraction form
    52,587,142.20/78,880,713.30 = 31,032,070.20/x
  3. Step 3: Cross multiply
    52,587,142.20x = 78,880,713.30 × 31,032,070.20
  4. Step 4: Simplify right side
    52,587,142.20x = 2,447,831,832,551,673.50
  5. Step 5: Solve for x
    x = 2,447,831,832,551,673.50/52,587,142.20
  6. Step 6: Final answer
    x = 46,548,105.30

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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.