Home / 145,678,478.91-218,673,275.57-62,721,313.83

Finding the Fourth Proportional to 145,678,478.91, 218,673,275.57 and 62,721,313.83

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Solution

The fourth proportional to 145,678,478.91, 218,673,275.57 and 62,721,313.83 is: 94,148,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,678,478.91 : 218,673,275.57 = 62,721,313.83 : x
  2. Step 2: Convert to fraction form
    145,678,478.91/218,673,275.57 = 62,721,313.83/x
  3. Step 3: Cross multiply
    145,678,478.91x = 218,673,275.57 × 62,721,313.83
  4. Step 4: Simplify right side
    145,678,478.91x = 13,715,475,143,416,844
  5. Step 5: Solve for x
    x = 13,715,475,143,416,844/145,678,478.91
  6. Step 6: Final answer
    x = 94,148,945.31

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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.