Home / 177,408,012.80-266,112,019.20-100,966,822.40

Finding the Fourth Proportional to 177,408,012.80, 266,112,019.20 and 100,966,822.40

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Solution

The fourth proportional to 177,408,012.80, 266,112,019.20 and 100,966,822.40 is: 151,450,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,408,012.80 : 266,112,019.20 = 100,966,822.40 : x
  2. Step 2: Convert to fraction form
    177,408,012.80/266,112,019.20 = 100,966,822.40/x
  3. Step 3: Cross multiply
    177,408,012.80x = 266,112,019.20 × 100,966,822.40
  4. Step 4: Simplify right side
    177,408,012.80x = 26,868,484,981,071,792
  5. Step 5: Solve for x
    x = 26,868,484,981,071,792/177,408,012.80
  6. Step 6: Final answer
    x = 151,450,233.60

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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.