Home / 124,438,639.40-186,666,927.20-47,761,667.64

Finding the Fourth Proportional to 124,438,639.40, 186,666,927.20 and 47,761,667.64

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Solution

The fourth proportional to 124,438,639.40, 186,666,927.20 and 47,761,667.64 is: 71,645,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438,639.40 : 186,666,927.20 = 47,761,667.64 : x
  2. Step 2: Convert to fraction form
    124,438,639.40/186,666,927.20 = 47,761,667.64/x
  3. Step 3: Cross multiply
    124,438,639.40x = 186,666,927.20 × 47,761,667.64
  4. Step 4: Simplify right side
    124,438,639.40x = 8,915,523,736,306,475
  5. Step 5: Solve for x
    x = 8,915,523,736,306,475/124,438,639.40
  6. Step 6: Final answer
    x = 71,645,943.57

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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.