Home / 65,920,340.04-90,961,707.87-36,143,151.96

Finding the Fourth Proportional to 65,920,340.04, 90,961,707.87 and 36,143,151.96

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Solution

The fourth proportional to 65,920,340.04, 90,961,707.87 and 36,143,151.96 is: 49,872,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,920,340.04 : 90,961,707.87 = 36,143,151.96 : x
  2. Step 2: Convert to fraction form
    65,920,340.04/90,961,707.87 = 36,143,151.96/x
  3. Step 3: Cross multiply
    65,920,340.04x = 90,961,707.87 × 36,143,151.96
  4. Step 4: Simplify right side
    65,920,340.04x = 3,287,642,830,086,538
  5. Step 5: Solve for x
    x = 3,287,642,830,086,538/65,920,340.04
  6. Step 6: Final answer
    x = 49,872,965.28

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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.