Home / 118,621,020.80-177,931,531.20-73,034,998.40

Finding the Fourth Proportional to 118,621,020.80, 177,931,531.20 and 73,034,998.40

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Solution

The fourth proportional to 118,621,020.80, 177,931,531.20 and 73,034,998.40 is: 109,552,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,621,020.80 : 177,931,531.20 = 73,034,998.40 : x
  2. Step 2: Convert to fraction form
    118,621,020.80/177,931,531.20 = 73,034,998.40/x
  3. Step 3: Cross multiply
    118,621,020.80x = 177,931,531.20 × 73,034,998.40
  4. Step 4: Simplify right side
    118,621,020.80x = 12,995,229,096,501,550
  5. Step 5: Solve for x
    x = 12,995,229,096,501,550/118,621,020.80
  6. Step 6: Final answer
    x = 109,552,497.60

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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.