Home / 74,287,934.40-111,431,901.60-23,169,871.20

Finding the Fourth Proportional to 74,287,934.40, 111,431,901.60 and 23,169,871.20

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Solution

The fourth proportional to 74,287,934.40, 111,431,901.60 and 23,169,871.20 is: 34,754,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,287,934.40 : 111,431,901.60 = 23,169,871.20 : x
  2. Step 2: Convert to fraction form
    74,287,934.40/111,431,901.60 = 23,169,871.20/x
  3. Step 3: Cross multiply
    74,287,934.40x = 111,431,901.60 × 23,169,871.20
  4. Step 4: Simplify right side
    74,287,934.40x = 2,581,862,807,643,073.50
  5. Step 5: Solve for x
    x = 2,581,862,807,643,073.50/74,287,934.40
  6. Step 6: Final answer
    x = 34,754,806.80

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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.