Home / 71,995,166.55-99,366,262.92-40,642,771.95

Finding the Fourth Proportional to 71,995,166.55, 99,366,262.92 and 40,642,771.95

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Solution

The fourth proportional to 71,995,166.55, 99,366,262.92 and 40,642,771.95 is: 56,094,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,995,166.55 : 99,366,262.92 = 40,642,771.95 : x
  2. Step 2: Convert to fraction form
    71,995,166.55/99,366,262.92 = 40,642,771.95/x
  3. Step 3: Cross multiply
    71,995,166.55x = 99,366,262.92 × 40,642,771.95
  4. Step 4: Simplify right side
    71,995,166.55x = 4,038,520,363,381,301.50
  5. Step 5: Solve for x
    x = 4,038,520,363,381,301.50/71,995,166.55
  6. Step 6: Final answer
    x = 56,094,326.28

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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.