Home / 306,435,864.16-459,650,767.02-140,392,270.36

Finding the Fourth Proportional to 306,435,864.16, 459,650,767.02 and 140,392,270.36

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Solution

The fourth proportional to 306,435,864.16, 459,650,767.02 and 140,392,270.36 is: 210,587,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,435,864.16 : 459,650,767.02 = 140,392,270.36 : x
  2. Step 2: Convert to fraction form
    306,435,864.16/459,650,767.02 = 140,392,270.36/x
  3. Step 3: Cross multiply
    306,435,864.16x = 459,650,767.02 × 140,392,270.36
  4. Step 4: Simplify right side
    306,435,864.16x = 64,531,414,754,653,216
  5. Step 5: Solve for x
    x = 64,531,414,754,653,216/306,435,864.16
  6. Step 6: Final answer
    x = 210,587,017.72

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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.