Home / 156,635,125.16-216,143,818.48-90,559,881.56

Finding the Fourth Proportional to 156,635,125.16, 216,143,818.48 and 90,559,881.56

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Solution

The fourth proportional to 156,635,125.16, 216,143,818.48 and 90,559,881.56 is: 124,965,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635,125.16 : 216,143,818.48 = 90,559,881.56 : x
  2. Step 2: Convert to fraction form
    156,635,125.16/216,143,818.48 = 90,559,881.56/x
  3. Step 3: Cross multiply
    156,635,125.16x = 216,143,818.48 × 90,559,881.56
  4. Step 4: Simplify right side
    156,635,125.16x = 19,573,958,601,474,940
  5. Step 5: Solve for x
    x = 19,573,958,601,474,940/156,635,125.16
  6. Step 6: Final answer
    x = 124,965,320.40

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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.