Home / 243,071,296.61-335,438,363.16-131,562,117

Finding the Fourth Proportional to 243,071,296.61, 335,438,363.16 and 131,562,117

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Solution

The fourth proportional to 243,071,296.61, 335,438,363.16 and 131,562,117 is: 181,555,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,071,296.61 : 335,438,363.16 = 131,562,117 : x
  2. Step 2: Convert to fraction form
    243,071,296.61/335,438,363.16 = 131,562,117/x
  3. Step 3: Cross multiply
    243,071,296.61x = 335,438,363.16 × 131,562,117
  4. Step 4: Simplify right side
    243,071,296.61x = 44,130,981,180,344,416
  5. Step 5: Solve for x
    x = 44,130,981,180,344,416/243,071,296.61
  6. Step 6: Final answer
    x = 181,555,707.30

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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.