Home / 87,014,701.17-130,520,155.74-40,931,026.74

Finding the Fourth Proportional to 87,014,701.17, 130,520,155.74 and 40,931,026.74

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Solution

The fourth proportional to 87,014,701.17, 130,520,155.74 and 40,931,026.74 is: 61,395,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,014,701.17 : 130,520,155.74 = 40,931,026.74 : x
  2. Step 2: Convert to fraction form
    87,014,701.17/130,520,155.74 = 40,931,026.74/x
  3. Step 3: Cross multiply
    87,014,701.17x = 130,520,155.74 × 40,931,026.74
  4. Step 4: Simplify right side
    87,014,701.17x = 5,342,323,984,702,905
  5. Step 5: Solve for x
    x = 5,342,323,984,702,905/87,014,701.17
  6. Step 6: Final answer
    x = 61,395,648.24

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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.