Home / 82,587,124.74-113,973,156.72-45,420,281.76

Finding the Fourth Proportional to 82,587,124.74, 113,973,156.72 and 45,420,281.76

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Solution

The fourth proportional to 82,587,124.74, 113,973,156.72 and 45,420,281.76 is: 62,681,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587,124.74 : 113,973,156.72 = 45,420,281.76 : x
  2. Step 2: Convert to fraction form
    82,587,124.74/113,973,156.72 = 45,420,281.76/x
  3. Step 3: Cross multiply
    82,587,124.74x = 113,973,156.72 × 45,420,281.76
  4. Step 4: Simplify right side
    82,587,124.74x = 5,176,692,891,299,037
  5. Step 5: Solve for x
    x = 5,176,692,891,299,037/82,587,124.74
  6. Step 6: Final answer
    x = 62,681,597.25

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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.