Home / 91,071,252.15-125,679,325.10-49,818,144.93

Finding the Fourth Proportional to 91,071,252.15, 125,679,325.10 and 49,818,144.93

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Solution

The fourth proportional to 91,071,252.15, 125,679,325.10 and 49,818,144.93 is: 68,749,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071,252.15 : 125,679,325.10 = 49,818,144.93 : x
  2. Step 2: Convert to fraction form
    91,071,252.15/125,679,325.10 = 49,818,144.93/x
  3. Step 3: Cross multiply
    91,071,252.15x = 125,679,325.10 × 49,818,144.93
  4. Step 4: Simplify right side
    91,071,252.15x = 6,261,110,832,536,386
  5. Step 5: Solve for x
    x = 6,261,110,832,536,386/91,071,252.15
  6. Step 6: Final answer
    x = 68,749,585.46

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1.5x scale

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.