Home / 268,035,477.60-402,053,216.40-86,282,655.60

Finding the Fourth Proportional to 268,035,477.60, 402,053,216.40 and 86,282,655.60

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Solution

The fourth proportional to 268,035,477.60, 402,053,216.40 and 86,282,655.60 is: 129,423,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,035,477.60 : 402,053,216.40 = 86,282,655.60 : x
  2. Step 2: Convert to fraction form
    268,035,477.60/402,053,216.40 = 86,282,655.60/x
  3. Step 3: Cross multiply
    268,035,477.60x = 402,053,216.40 × 86,282,655.60
  4. Step 4: Simplify right side
    268,035,477.60x = 34,690,219,203,513,468
  5. Step 5: Solve for x
    x = 34,690,219,203,513,468/268,035,477.60
  6. Step 6: Final answer
    x = 129,423,983.40

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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.