Home / 114,474,172.59-157,960,019.70-77,385,151.17

Finding the Fourth Proportional to 114,474,172.59, 157,960,019.70 and 77,385,151.17

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Solution

The fourth proportional to 114,474,172.59, 157,960,019.70 and 77,385,151.17 is: 106,781,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,474,172.59 : 157,960,019.70 = 77,385,151.17 : x
  2. Step 2: Convert to fraction form
    114,474,172.59/157,960,019.70 = 77,385,151.17/x
  3. Step 3: Cross multiply
    114,474,172.59x = 157,960,019.70 × 77,385,151.17
  4. Step 4: Simplify right side
    114,474,172.59x = 12,223,760,003,300,678
  5. Step 5: Solve for x
    x = 12,223,760,003,300,678/114,474,172.59
  6. Step 6: Final answer
    x = 106,781,815.73

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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.