Home / 119,564,186.40-179,377,772.40-42,879,218.40

Finding the Fourth Proportional to 119,564,186.40, 179,377,772.40 and 42,879,218.40

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Solution

The fourth proportional to 119,564,186.40, 179,377,772.40 and 42,879,218.40 is: 64,330,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,564,186.40 : 179,377,772.40 = 42,879,218.40 : x
  2. Step 2: Convert to fraction form
    119,564,186.40/179,377,772.40 = 42,879,218.40/x
  3. Step 3: Cross multiply
    119,564,186.40x = 179,377,772.40 × 42,879,218.40
  4. Step 4: Simplify right side
    119,564,186.40x = 7,691,578,678,845,092
  5. Step 5: Solve for x
    x = 7,691,578,678,845,092/119,564,186.40
  6. Step 6: Final answer
    x = 64,330,121.84

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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.