Home / 162,386,270.20-243,579,405.30-80,473,497.40

Finding the Fourth Proportional to 162,386,270.20, 243,579,405.30 and 80,473,497.40

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Solution

The fourth proportional to 162,386,270.20, 243,579,405.30 and 80,473,497.40 is: 120,710,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,386,270.20 : 243,579,405.30 = 80,473,497.40 : x
  2. Step 2: Convert to fraction form
    162,386,270.20/243,579,405.30 = 80,473,497.40/x
  3. Step 3: Cross multiply
    162,386,270.20x = 243,579,405.30 × 80,473,497.40
  4. Step 4: Simplify right side
    162,386,270.20x = 19,601,686,639,103,100
  5. Step 5: Solve for x
    x = 19,601,686,639,103,100/162,386,270.20
  6. Step 6: Final answer
    x = 120,710,246.10

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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.