Home / 77,162,221.52-106,435,429.30-45,778,051.18

Finding the Fourth Proportional to 77,162,221.52, 106,435,429.30 and 45,778,051.18

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Solution

The fourth proportional to 77,162,221.52, 106,435,429.30 and 45,778,051.18 is: 63,144,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,221.52 : 106,435,429.30 = 45,778,051.18 : x
  2. Step 2: Convert to fraction form
    77,162,221.52/106,435,429.30 = 45,778,051.18/x
  3. Step 3: Cross multiply
    77,162,221.52x = 106,435,429.30 × 45,778,051.18
  4. Step 4: Simplify right side
    77,162,221.52x = 4,872,406,529,194,966
  5. Step 5: Solve for x
    x = 4,872,406,529,194,966/77,162,221.52
  6. Step 6: Final answer
    x = 63,144,974.75

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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.