Home / 90,502,085.83-124,895,483.54-49,251,591.67

Finding the Fourth Proportional to 90,502,085.83, 124,895,483.54 and 49,251,591.67

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Solution

The fourth proportional to 90,502,085.83, 124,895,483.54 and 49,251,591.67 is: 67,968,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502,085.83 : 124,895,483.54 = 49,251,591.67 : x
  2. Step 2: Convert to fraction form
    90,502,085.83/124,895,483.54 = 49,251,591.67/x
  3. Step 3: Cross multiply
    90,502,085.83x = 124,895,483.54 × 49,251,591.67
  4. Step 4: Simplify right side
    90,502,085.83x = 6,151,301,356,739,287
  5. Step 5: Solve for x
    x = 6,151,301,356,739,287/90,502,085.83
  6. Step 6: Final answer
    x = 67,968,614.21

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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.