Home / 99,756,442.80-149,336,065.80-89,006,900.40

Finding the Fourth Proportional to 99,756,442.80, 149,336,065.80 and 89,006,900.40

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Solution

The fourth proportional to 99,756,442.80, 149,336,065.80 and 89,006,900.40 is: 133,243,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756,442.80 : 149,336,065.80 = 89,006,900.40 : x
  2. Step 2: Convert to fraction form
    99,756,442.80/149,336,065.80 = 89,006,900.40/x
  3. Step 3: Cross multiply
    99,756,442.80x = 149,336,065.80 × 89,006,900.40
  4. Step 4: Simplify right side
    99,756,442.80x = 13,291,940,334,788,448
  5. Step 5: Solve for x
    x = 13,291,940,334,788,448/99,756,442.80
  6. Step 6: Final answer
    x = 133,243,928.53

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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.