Home / 257,792,001.80-386,688,002.70-148,803,585.80

Finding the Fourth Proportional to 257,792,001.80, 386,688,002.70 and 148,803,585.80

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Solution

The fourth proportional to 257,792,001.80, 386,688,002.70 and 148,803,585.80 is: 223,205,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,001.80 : 386,688,002.70 = 148,803,585.80 : x
  2. Step 2: Convert to fraction form
    257,792,001.80/386,688,002.70 = 148,803,585.80/x
  3. Step 3: Cross multiply
    257,792,001.80x = 386,688,002.70 × 148,803,585.80
  4. Step 4: Simplify right side
    257,792,001.80x = 57,540,561,387,600,088
  5. Step 5: Solve for x
    x = 57,540,561,387,600,088/257,792,001.80
  6. Step 6: Final answer
    x = 223,205,378.70

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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.