Home / 159,454,368.40-239,181,552.60-86,706,000.40

Finding the Fourth Proportional to 159,454,368.40, 239,181,552.60 and 86,706,000.40

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Solution

The fourth proportional to 159,454,368.40, 239,181,552.60 and 86,706,000.40 is: 130,059,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,454,368.40 : 239,181,552.60 = 86,706,000.40 : x
  2. Step 2: Convert to fraction form
    159,454,368.40/239,181,552.60 = 86,706,000.40/x
  3. Step 3: Cross multiply
    159,454,368.40x = 239,181,552.60 × 86,706,000.40
  4. Step 4: Simplify right side
    159,454,368.40x = 20,738,475,795,408,220
  5. Step 5: Solve for x
    x = 20,738,475,795,408,220/159,454,368.40
  6. Step 6: Final answer
    x = 130,059,000.60

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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.