Home / 145,191,030.30-217,786,545.45-133,711,904.70

Finding the Fourth Proportional to 145,191,030.30, 217,786,545.45 and 133,711,904.70

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Solution

The fourth proportional to 145,191,030.30, 217,786,545.45 and 133,711,904.70 is: 200,567,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,191,030.30 : 217,786,545.45 = 133,711,904.70 : x
  2. Step 2: Convert to fraction form
    145,191,030.30/217,786,545.45 = 133,711,904.70/x
  3. Step 3: Cross multiply
    145,191,030.30x = 217,786,545.45 × 133,711,904.70
  4. Step 4: Simplify right side
    145,191,030.30x = 29,120,653,810,152,616
  5. Step 5: Solve for x
    x = 29,120,653,810,152,616/145,191,030.30
  6. Step 6: Final answer
    x = 200,567,857.05

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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.