Home / 87,402,758.21-120,615,818.15-48,244,542.35

Finding the Fourth Proportional to 87,402,758.21, 120,615,818.15 and 48,244,542.35

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Solution

The fourth proportional to 87,402,758.21, 120,615,818.15 and 48,244,542.35 is: 66,577,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402,758.21 : 120,615,818.15 = 48,244,542.35 : x
  2. Step 2: Convert to fraction form
    87,402,758.21/120,615,818.15 = 48,244,542.35/x
  3. Step 3: Cross multiply
    87,402,758.21x = 120,615,818.15 × 48,244,542.35
  4. Step 4: Simplify right side
    87,402,758.21x = 5,819,054,946,817,574
  5. Step 5: Solve for x
    x = 5,819,054,946,817,574/87,402,758.21
  6. Step 6: Final answer
    x = 66,577,474.97

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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.