Home / 87,734,931.20-121,077,987.45-48,576,707.64

Finding the Fourth Proportional to 87,734,931.20, 121,077,987.45 and 48,576,707.64

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Solution

The fourth proportional to 87,734,931.20, 121,077,987.45 and 48,576,707.64 is: 67,037,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,734,931.20 : 121,077,987.45 = 48,576,707.64 : x
  2. Step 2: Convert to fraction form
    87,734,931.20/121,077,987.45 = 48,576,707.64/x
  3. Step 3: Cross multiply
    87,734,931.20x = 121,077,987.45 × 48,576,707.64
  4. Step 4: Simplify right side
    87,734,931.20x = 5,881,569,997,392,849
  5. Step 5: Solve for x
    x = 5,881,569,997,392,849/87,734,931.20
  6. Step 6: Final answer
    x = 67,037,950.76

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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.