Home / 99,601,337.70-149,402,006.55-70,376,019.30

Finding the Fourth Proportional to 99,601,337.70, 149,402,006.55 and 70,376,019.30

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Solution

The fourth proportional to 99,601,337.70, 149,402,006.55 and 70,376,019.30 is: 105,564,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,601,337.70 : 149,402,006.55 = 70,376,019.30 : x
  2. Step 2: Convert to fraction form
    99,601,337.70/149,402,006.55 = 70,376,019.30/x
  3. Step 3: Cross multiply
    99,601,337.70x = 149,402,006.55 × 70,376,019.30
  4. Step 4: Simplify right side
    99,601,337.70x = 10,514,318,496,421,526
  5. Step 5: Solve for x
    x = 10,514,318,496,421,526/99,601,337.70
  6. Step 6: Final answer
    x = 105,564,028.95

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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.