Home / 66,421,970.70-99,646,952.85-28,063,740.30

Finding the Fourth Proportional to 66,421,970.70, 99,646,952.85 and 28,063,740.30

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Solution

The fourth proportional to 66,421,970.70, 99,646,952.85 and 28,063,740.30 is: 42,101,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,421,970.70 : 99,646,952.85 = 28,063,740.30 : x
  2. Step 2: Convert to fraction form
    66,421,970.70/99,646,952.85 = 28,063,740.30/x
  3. Step 3: Cross multiply
    66,421,970.70x = 99,646,952.85 × 28,063,740.30
  4. Step 4: Simplify right side
    66,421,970.70x = 2,796,466,206,468,745
  5. Step 5: Solve for x
    x = 2,796,466,206,468,745/66,421,970.70
  6. Step 6: Final answer
    x = 42,101,524.19

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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.