Home / 78,573,344.92-108,433,663.76-45,088,955.80

Finding the Fourth Proportional to 78,573,344.92, 108,433,663.76 and 45,088,955.80

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Solution

The fourth proportional to 78,573,344.92, 108,433,663.76 and 45,088,955.80 is: 62,224,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,573,344.92 : 108,433,663.76 = 45,088,955.80 : x
  2. Step 2: Convert to fraction form
    78,573,344.92/108,433,663.76 = 45,088,955.80/x
  3. Step 3: Cross multiply
    78,573,344.92x = 108,433,663.76 × 45,088,955.80
  4. Step 4: Simplify right side
    78,573,344.92x = 4,889,160,672,506,702
  5. Step 5: Solve for x
    x = 4,889,160,672,506,702/78,573,344.92
  6. Step 6: Final answer
    x = 62,224,163.65

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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.