Home / 98,373,139.49-135,766,901.64-57,120,030.65

Finding the Fourth Proportional to 98,373,139.49, 135,766,901.64 and 57,120,030.65

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Solution

The fourth proportional to 98,373,139.49, 135,766,901.64 and 57,120,030.65 is: 78,832,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373,139.49 : 135,766,901.64 = 57,120,030.65 : x
  2. Step 2: Convert to fraction form
    98,373,139.49/135,766,901.64 = 57,120,030.65/x
  3. Step 3: Cross multiply
    98,373,139.49x = 135,766,901.64 × 57,120,030.65
  4. Step 4: Simplify right side
    98,373,139.49x = 7,755,009,582,932,334
  5. Step 5: Solve for x
    x = 7,755,009,582,932,334/98,373,139.49
  6. Step 6: Final answer
    x = 78,832,592.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.