Home / 146,859,332.40-220,288,998.60-70,331,828.40

Finding the Fourth Proportional to 146,859,332.40, 220,288,998.60 and 70,331,828.40

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Solution

The fourth proportional to 146,859,332.40, 220,288,998.60 and 70,331,828.40 is: 105,497,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,859,332.40 : 220,288,998.60 = 70,331,828.40 : x
  2. Step 2: Convert to fraction form
    146,859,332.40/220,288,998.60 = 70,331,828.40/x
  3. Step 3: Cross multiply
    146,859,332.40x = 220,288,998.60 × 70,331,828.40
  4. Step 4: Simplify right side
    146,859,332.40x = 15,493,328,047,943,042
  5. Step 5: Solve for x
    x = 15,493,328,047,943,042/146,859,332.40
  6. Step 6: Final answer
    x = 105,497,742.60

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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.