Home / 138,924,110.28-191,758,201.24-89,364,483.91

Finding the Fourth Proportional to 138,924,110.28, 191,758,201.24 and 89,364,483.91

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Solution

The fourth proportional to 138,924,110.28, 191,758,201.24 and 89,364,483.91 is: 123,350,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,924,110.28 : 191,758,201.24 = 89,364,483.91 : x
  2. Step 2: Convert to fraction form
    138,924,110.28/191,758,201.24 = 89,364,483.91/x
  3. Step 3: Cross multiply
    138,924,110.28x = 191,758,201.24 × 89,364,483.91
  4. Step 4: Simplify right side
    138,924,110.28x = 17,136,372,688,630,174
  5. Step 5: Solve for x
    x = 17,136,372,688,630,174/138,924,110.28
  6. Step 6: Final answer
    x = 123,350,602.38

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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.