Home / 63,169,661.20-94,754,491.80-57,312,000.40

Finding the Fourth Proportional to 63,169,661.20, 94,754,491.80 and 57,312,000.40

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Solution

The fourth proportional to 63,169,661.20, 94,754,491.80 and 57,312,000.40 is: 85,968,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169,661.20 : 94,754,491.80 = 57,312,000.40 : x
  2. Step 2: Convert to fraction form
    63,169,661.20/94,754,491.80 = 57,312,000.40/x
  3. Step 3: Cross multiply
    63,169,661.20x = 94,754,491.80 × 57,312,000.40
  4. Step 4: Simplify right side
    63,169,661.20x = 5,430,569,471,943,396
  5. Step 5: Solve for x
    x = 5,430,569,471,943,396/63,169,661.20
  6. Step 6: Final answer
    x = 85,968,000.60

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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.