Home / 161,856,068.10-242,280,217.35-156,817,220.10

Finding the Fourth Proportional to 161,856,068.10, 242,280,217.35 and 156,817,220.10

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Solution

The fourth proportional to 161,856,068.10, 242,280,217.35 and 156,817,220.10 is: 234,737,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856,068.10 : 242,280,217.35 = 156,817,220.10 : x
  2. Step 2: Convert to fraction form
    161,856,068.10/242,280,217.35 = 156,817,220.10/x
  3. Step 3: Cross multiply
    161,856,068.10x = 242,280,217.35 × 156,817,220.10
  4. Step 4: Simplify right side
    161,856,068.10x = 37,993,710,170,050,784
  5. Step 5: Solve for x
    x = 37,993,710,170,050,784/161,856,068.10
  6. Step 6: Final answer
    x = 234,737,632.12

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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.