Home / 65,792,000.80-98,688,001.20-42,700,391.20

Finding the Fourth Proportional to 65,792,000.80, 98,688,001.20 and 42,700,391.20

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Solution

The fourth proportional to 65,792,000.80, 98,688,001.20 and 42,700,391.20 is: 64,050,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,792,000.80 : 98,688,001.20 = 42,700,391.20 : x
  2. Step 2: Convert to fraction form
    65,792,000.80/98,688,001.20 = 42,700,391.20/x
  3. Step 3: Cross multiply
    65,792,000.80x = 98,688,001.20 × 42,700,391.20
  4. Step 4: Simplify right side
    65,792,000.80x = 4,214,016,257,986,070
  5. Step 5: Solve for x
    x = 4,214,016,257,986,070/65,792,000.80
  6. Step 6: Final answer
    x = 64,050,586.80

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1.5x scale

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.