Home / 90,812,221.68-136,100,045.16-36,896,502

Finding the Fourth Proportional to 90,812,221.68, 136,100,045.16 and 36,896,502

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Solution

The fourth proportional to 90,812,221.68, 136,100,045.16 and 36,896,502 is: 55,296,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812,221.68 : 136,100,045.16 = 36,896,502 : x
  2. Step 2: Convert to fraction form
    90,812,221.68/136,100,045.16 = 36,896,502/x
  3. Step 3: Cross multiply
    90,812,221.68x = 136,100,045.16 × 36,896,502
  4. Step 4: Simplify right side
    90,812,221.68x = 5,021,615,588,446,030
  5. Step 5: Solve for x
    x = 5,021,615,588,446,030/90,812,221.68
  6. Step 6: Final answer
    x = 55,296,693.50

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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.