Home / 282,791,337.93-390,245,931.24-163,718,951.01

Finding the Fourth Proportional to 282,791,337.93, 390,245,931.24 and 163,718,951.01

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Solution

The fourth proportional to 282,791,337.93, 390,245,931.24 and 163,718,951.01 is: 225,928,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,791,337.93 : 390,245,931.24 = 163,718,951.01 : x
  2. Step 2: Convert to fraction form
    282,791,337.93/390,245,931.24 = 163,718,951.01/x
  3. Step 3: Cross multiply
    282,791,337.93x = 390,245,931.24 × 163,718,951.01
  4. Step 4: Simplify right side
    282,791,337.93x = 63,890,654,496,582,160
  5. Step 5: Solve for x
    x = 63,890,654,496,582,160/282,791,337.93
  6. Step 6: Final answer
    x = 225,928,612.11

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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.