Home / 137,792,316.80-206,688,475.20-61,264,812.80

Finding the Fourth Proportional to 137,792,316.80, 206,688,475.20 and 61,264,812.80

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Solution

The fourth proportional to 137,792,316.80, 206,688,475.20 and 61,264,812.80 is: 91,897,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,792,316.80 : 206,688,475.20 = 61,264,812.80 : x
  2. Step 2: Convert to fraction form
    137,792,316.80/206,688,475.20 = 61,264,812.80/x
  3. Step 3: Cross multiply
    137,792,316.80x = 206,688,475.20 × 61,264,812.80
  4. Step 4: Simplify right side
    137,792,316.80x = 12,662,730,741,045,442
  5. Step 5: Solve for x
    x = 12,662,730,741,045,442/137,792,316.80
  6. Step 6: Final answer
    x = 91,897,219.20

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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.