Home / 170,403,912.30-255,605,868.45-149,358,848.70

Finding the Fourth Proportional to 170,403,912.30, 255,605,868.45 and 149,358,848.70

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Solution

The fourth proportional to 170,403,912.30, 255,605,868.45 and 149,358,848.70 is: 224,038,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,403,912.30 : 255,605,868.45 = 149,358,848.70 : x
  2. Step 2: Convert to fraction form
    170,403,912.30/255,605,868.45 = 149,358,848.70/x
  3. Step 3: Cross multiply
    170,403,912.30x = 255,605,868.45 × 149,358,848.70
  4. Step 4: Simplify right side
    170,403,912.30x = 38,176,998,232,655,648
  5. Step 5: Solve for x
    x = 38,176,998,232,655,648/170,403,912.30
  6. Step 6: Final answer
    x = 224,038,273.05

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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.