Home / 86,934,000.20-130,401,000.30-39,158,256.20

Finding the Fourth Proportional to 86,934,000.20, 130,401,000.30 and 39,158,256.20

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Solution

The fourth proportional to 86,934,000.20, 130,401,000.30 and 39,158,256.20 is: 58,737,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934,000.20 : 130,401,000.30 = 39,158,256.20 : x
  2. Step 2: Convert to fraction form
    86,934,000.20/130,401,000.30 = 39,158,256.20/x
  3. Step 3: Cross multiply
    86,934,000.20x = 130,401,000.30 × 39,158,256.20
  4. Step 4: Simplify right side
    86,934,000.20x = 5,106,275,778,483,677
  5. Step 5: Solve for x
    x = 5,106,275,778,483,677/86,934,000.20
  6. Step 6: Final answer
    x = 58,737,384.30

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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.