Home / 220,543,730.40-330,780,166.20-67,154,111.40

Finding the Fourth Proportional to 220,543,730.40, 330,780,166.20 and 67,154,111.40

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Solution

The fourth proportional to 220,543,730.40, 330,780,166.20 and 67,154,111.40 is: 100,720,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,543,730.40 : 330,780,166.20 = 67,154,111.40 : x
  2. Step 2: Convert to fraction form
    220,543,730.40/330,780,166.20 = 67,154,111.40/x
  3. Step 3: Cross multiply
    220,543,730.40x = 330,780,166.20 × 67,154,111.40
  4. Step 4: Simplify right side
    220,543,730.40x = 22,213,248,129,905,316
  5. Step 5: Solve for x
    x = 22,213,248,129,905,316/220,543,730.40
  6. Step 6: Final answer
    x = 100,720,379.08

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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.