Home / 104,238,250.74-143,789,021.28-65,011,925.76

Finding the Fourth Proportional to 104,238,250.74, 143,789,021.28 and 65,011,925.76

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Solution

The fourth proportional to 104,238,250.74, 143,789,021.28 and 65,011,925.76 is: 89,679,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,250.74 : 143,789,021.28 = 65,011,925.76 : x
  2. Step 2: Convert to fraction form
    104,238,250.74/143,789,021.28 = 65,011,925.76/x
  3. Step 3: Cross multiply
    104,238,250.74x = 143,789,021.28 × 65,011,925.76
  4. Step 4: Simplify right side
    104,238,250.74x = 9,348,001,176,558,420
  5. Step 5: Solve for x
    x = 9,348,001,176,558,420/104,238,250.74
  6. Step 6: Final answer
    x = 89,679,183.12

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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.