Home / 150,516,007.20-225,774,010.80-48,290,378.40

Finding the Fourth Proportional to 150,516,007.20, 225,774,010.80 and 48,290,378.40

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Solution

The fourth proportional to 150,516,007.20, 225,774,010.80 and 48,290,378.40 is: 72,435,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,516,007.20 : 225,774,010.80 = 48,290,378.40 : x
  2. Step 2: Convert to fraction form
    150,516,007.20/225,774,010.80 = 48,290,378.40/x
  3. Step 3: Cross multiply
    150,516,007.20x = 225,774,010.80 × 48,290,378.40
  4. Step 4: Simplify right side
    150,516,007.20x = 10,902,712,414,417,686
  5. Step 5: Solve for x
    x = 10,902,712,414,417,686/150,516,007.20
  6. Step 6: Final answer
    x = 72,435,567.60

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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.