Home / 86,934,145.90-130,401,218.85-26,341,998.70

Finding the Fourth Proportional to 86,934,145.90, 130,401,218.85 and 26,341,998.70

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Solution

The fourth proportional to 86,934,145.90, 130,401,218.85 and 26,341,998.70 is: 39,512,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934,145.90 : 130,401,218.85 = 26,341,998.70 : x
  2. Step 2: Convert to fraction form
    86,934,145.90/130,401,218.85 = 26,341,998.70/x
  3. Step 3: Cross multiply
    86,934,145.90x = 130,401,218.85 × 26,341,998.70
  4. Step 4: Simplify right side
    86,934,145.90x = 3,435,028,737,425,115
  5. Step 5: Solve for x
    x = 3,435,028,737,425,115/86,934,145.90
  6. Step 6: Final answer
    x = 39,512,998.05

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Double scale
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1.5x scale

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.