Home / 71,919,153.61-99,224,146.33-40,957,400.95

Finding the Fourth Proportional to 71,919,153.61, 99,224,146.33 and 40,957,400.95

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Solution

The fourth proportional to 71,919,153.61, 99,224,146.33 and 40,957,400.95 is: 56,507,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919,153.61 : 99,224,146.33 = 40,957,400.95 : x
  2. Step 2: Convert to fraction form
    71,919,153.61/99,224,146.33 = 40,957,400.95/x
  3. Step 3: Cross multiply
    71,919,153.61x = 99,224,146.33 × 40,957,400.95
  4. Step 4: Simplify right side
    71,919,153.61x = 4,063,963,144,808,827
  5. Step 5: Solve for x
    x = 4,063,963,144,808,827/71,919,153.61
  6. Step 6: Final answer
    x = 56,507,382.82

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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.