Home / 66,430,443.20-99,661,411.20-34,087,337.60

Finding the Fourth Proportional to 66,430,443.20, 99,661,411.20 and 34,087,337.60

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Solution

The fourth proportional to 66,430,443.20, 99,661,411.20 and 34,087,337.60 is: 51,139,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,443.20 : 99,661,411.20 = 34,087,337.60 : x
  2. Step 2: Convert to fraction form
    66,430,443.20/99,661,411.20 = 34,087,337.60/x
  3. Step 3: Cross multiply
    66,430,443.20x = 99,661,411.20 × 34,087,337.60
  4. Step 4: Simplify right side
    66,430,443.20x = 3,397,192,169,266,821.50
  5. Step 5: Solve for x
    x = 3,397,192,169,266,821.50/66,430,443.20
  6. Step 6: Final answer
    x = 51,139,086.32

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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.