Home / 104,976,140.10-157,464,210.15-66,523,431.30

Finding the Fourth Proportional to 104,976,140.10, 157,464,210.15 and 66,523,431.30

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Solution

The fourth proportional to 104,976,140.10, 157,464,210.15 and 66,523,431.30 is: 99,785,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,140.10 : 157,464,210.15 = 66,523,431.30 : x
  2. Step 2: Convert to fraction form
    104,976,140.10/157,464,210.15 = 66,523,431.30/x
  3. Step 3: Cross multiply
    104,976,140.10x = 157,464,210.15 × 66,523,431.30
  4. Step 4: Simplify right side
    104,976,140.10x = 10,475,059,566,122,288
  5. Step 5: Solve for x
    x = 10,475,059,566,122,288/104,976,140.10
  6. Step 6: Final answer
    x = 99,785,146.95

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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.