Home / 159,926,457.78-239,889,686.68-38,757,909.78

Finding the Fourth Proportional to 159,926,457.78, 239,889,686.68 and 38,757,909.78

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Solution

The fourth proportional to 159,926,457.78, 239,889,686.68 and 38,757,909.78 is: 58,136,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,926,457.78 : 239,889,686.68 = 38,757,909.78 : x
  2. Step 2: Convert to fraction form
    159,926,457.78/239,889,686.68 = 38,757,909.78/x
  3. Step 3: Cross multiply
    159,926,457.78x = 239,889,686.68 × 38,757,909.78
  4. Step 4: Simplify right side
    159,926,457.78x = 9,297,622,833,495,908
  5. Step 5: Solve for x
    x = 9,297,622,833,495,908/159,926,457.78
  6. Step 6: Final answer
    x = 58,136,864.67

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1.5x scale

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.