Home / 197,866,937.60-296,658,688.80-82,792,246.40

Finding the Fourth Proportional to 197,866,937.60, 296,658,688.80 and 82,792,246.40

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Solution

The fourth proportional to 197,866,937.60, 296,658,688.80 and 82,792,246.40 is: 124,129,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,866,937.60 : 296,658,688.80 = 82,792,246.40 : x
  2. Step 2: Convert to fraction form
    197,866,937.60/296,658,688.80 = 82,792,246.40/x
  3. Step 3: Cross multiply
    197,866,937.60x = 296,658,688.80 × 82,792,246.40
  4. Step 4: Simplify right side
    197,866,937.60x = 24,561,039,259,830,524
  5. Step 5: Solve for x
    x = 24,561,039,259,830,524/197,866,937.60
  6. Step 6: Final answer
    x = 124,129,071.58

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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.