Home / 145,417,141.96-218,109,545.87-52,040,345.15

Finding the Fourth Proportional to 145,417,141.96, 218,109,545.87 and 52,040,345.15

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Solution

The fourth proportional to 145,417,141.96, 218,109,545.87 and 52,040,345.15 is: 78,054,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,417,141.96 : 218,109,545.87 = 52,040,345.15 : x
  2. Step 2: Convert to fraction form
    145,417,141.96/218,109,545.87 = 52,040,345.15/x
  3. Step 3: Cross multiply
    145,417,141.96x = 218,109,545.87 × 52,040,345.15
  4. Step 4: Simplify right side
    145,417,141.96x = 11,350,496,047,869,630
  5. Step 5: Solve for x
    x = 11,350,496,047,869,630/145,417,141.96
  6. Step 6: Final answer
    x = 78,054,732.03

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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.