Home / 124,022,065-171,166,747.14-71,119,475.40

Finding the Fourth Proportional to 124,022,065, 171,166,747.14 and 71,119,475.40

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Solution

The fourth proportional to 124,022,065, 171,166,747.14 and 71,119,475.40 is: 98,154,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,022,065 : 171,166,747.14 = 71,119,475.40 : x
  2. Step 2: Convert to fraction form
    124,022,065/171,166,747.14 = 71,119,475.40/x
  3. Step 3: Cross multiply
    124,022,065x = 171,166,747.14 × 71,119,475.40
  4. Step 4: Simplify right side
    124,022,065x = 12,173,289,262,521,250
  5. Step 5: Solve for x
    x = 12,173,289,262,521,250/124,022,065
  6. Step 6: Final answer
    x = 98,154,221.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.