Home / 117,792,005.20-176,688,007.80-45,988,421.20

Finding the Fourth Proportional to 117,792,005.20, 176,688,007.80 and 45,988,421.20

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Solution

The fourth proportional to 117,792,005.20, 176,688,007.80 and 45,988,421.20 is: 68,982,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,792,005.20 : 176,688,007.80 = 45,988,421.20 : x
  2. Step 2: Convert to fraction form
    117,792,005.20/176,688,007.80 = 45,988,421.20/x
  3. Step 3: Cross multiply
    117,792,005.20x = 176,688,007.80 × 45,988,421.20
  4. Step 4: Simplify right side
    117,792,005.20x = 8,125,602,523,695,286
  5. Step 5: Solve for x
    x = 8,125,602,523,695,286/117,792,005.20
  6. Step 6: Final answer
    x = 68,982,631.80

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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.