Home / 268,656,592.80-402,984,889.20-98,433,386.40

Finding the Fourth Proportional to 268,656,592.80, 402,984,889.20 and 98,433,386.40

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Solution

The fourth proportional to 268,656,592.80, 402,984,889.20 and 98,433,386.40 is: 147,650,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,656,592.80 : 402,984,889.20 = 98,433,386.40 : x
  2. Step 2: Convert to fraction form
    268,656,592.80/402,984,889.20 = 98,433,386.40/x
  3. Step 3: Cross multiply
    268,656,592.80x = 402,984,889.20 × 98,433,386.40
  4. Step 4: Simplify right side
    268,656,592.80x = 39,667,167,311,984,792
  5. Step 5: Solve for x
    x = 39,667,167,311,984,792/268,656,592.80
  6. Step 6: Final answer
    x = 147,650,079.60

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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.