Home / 65,792,001.80-98,688,002.70-42,700,392.20

Finding the Fourth Proportional to 65,792,001.80, 98,688,002.70 and 42,700,392.20

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Solution

The fourth proportional to 65,792,001.80, 98,688,002.70 and 42,700,392.20 is: 64,050,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,792,001.80 : 98,688,002.70 = 42,700,392.20 : x
  2. Step 2: Convert to fraction form
    65,792,001.80/98,688,002.70 = 42,700,392.20/x
  3. Step 3: Cross multiply
    65,792,001.80x = 98,688,002.70 × 42,700,392.20
  4. Step 4: Simplify right side
    65,792,001.80x = 4,214,016,420,724,659.50
  5. Step 5: Solve for x
    x = 4,214,016,420,724,659.50/65,792,001.80
  6. Step 6: Final answer
    x = 64,050,588.30

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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.