Home / 239,310,061.61-330,247,885.66-129,301,774.61

Finding the Fourth Proportional to 239,310,061.61, 330,247,885.66 and 129,301,774.61

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Solution

The fourth proportional to 239,310,061.61, 330,247,885.66 and 129,301,774.61 is: 178,436,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,310,061.61 : 330,247,885.66 = 129,301,774.61 : x
  2. Step 2: Convert to fraction form
    239,310,061.61/330,247,885.66 = 129,301,774.61/x
  3. Step 3: Cross multiply
    239,310,061.61x = 330,247,885.66 × 129,301,774.61
  4. Step 4: Simplify right side
    239,310,061.61x = 42,701,637,678,336,056
  5. Step 5: Solve for x
    x = 42,701,637,678,336,056/239,310,061.61
  6. Step 6: Final answer
    x = 178,436,449.31

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1.5x scale

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.