Home / 145,824,126.87-201,252,890.19-89,346,353.82

Finding the Fourth Proportional to 145,824,126.87, 201,252,890.19 and 89,346,353.82

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Solution

The fourth proportional to 145,824,126.87, 201,252,890.19 and 89,346,353.82 is: 123,307,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,824,126.87 : 201,252,890.19 = 89,346,353.82 : x
  2. Step 2: Convert to fraction form
    145,824,126.87/201,252,890.19 = 89,346,353.82/x
  3. Step 3: Cross multiply
    145,824,126.87x = 201,252,890.19 × 89,346,353.82
  4. Step 4: Simplify right side
    145,824,126.87x = 17,981,211,934,213,346
  5. Step 5: Solve for x
    x = 17,981,211,934,213,346/145,824,126.87
  6. Step 6: Final answer
    x = 123,307,523.39

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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.