Home / 104,976,245.90-157,464,368.85-66,429,058.70

Finding the Fourth Proportional to 104,976,245.90, 157,464,368.85 and 66,429,058.70

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Solution

The fourth proportional to 104,976,245.90, 157,464,368.85 and 66,429,058.70 is: 99,643,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,245.90 : 157,464,368.85 = 66,429,058.70 : x
  2. Step 2: Convert to fraction form
    104,976,245.90/157,464,368.85 = 66,429,058.70/x
  3. Step 3: Cross multiply
    104,976,245.90x = 157,464,368.85 × 66,429,058.70
  4. Step 4: Simplify right side
    104,976,245.90x = 10,460,209,801,495,102
  5. Step 5: Solve for x
    x = 10,460,209,801,495,102/104,976,245.90
  6. Step 6: Final answer
    x = 99,643,588.05

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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.