Home / 99,071,724.60-148,607,586.90-91,897,271.10

Finding the Fourth Proportional to 99,071,724.60, 148,607,586.90 and 91,897,271.10

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Solution

The fourth proportional to 99,071,724.60, 148,607,586.90 and 91,897,271.10 is: 137,845,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071,724.60 : 148,607,586.90 = 91,897,271.10 : x
  2. Step 2: Convert to fraction form
    99,071,724.60/148,607,586.90 = 91,897,271.10/x
  3. Step 3: Cross multiply
    99,071,724.60x = 148,607,586.90 × 91,897,271.10
  4. Step 4: Simplify right side
    99,071,724.60x = 13,656,631,700,866,108
  5. Step 5: Solve for x
    x = 13,656,631,700,866,108/99,071,724.60
  6. Step 6: Final answer
    x = 137,845,906.65

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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.