Home / 86,934,159.40-130,401,239.10-26,342,012.20

Finding the Fourth Proportional to 86,934,159.40, 130,401,239.10 and 26,342,012.20

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Solution

The fourth proportional to 86,934,159.40, 130,401,239.10 and 26,342,012.20 is: 39,513,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934,159.40 : 130,401,239.10 = 26,342,012.20 : x
  2. Step 2: Convert to fraction form
    86,934,159.40/130,401,239.10 = 26,342,012.20/x
  3. Step 3: Cross multiply
    86,934,159.40x = 130,401,239.10 × 26,342,012.20
  4. Step 4: Simplify right side
    86,934,159.40x = 3,435,031,031,267,317
  5. Step 5: Solve for x
    x = 3,435,031,031,267,317/86,934,159.40
  6. Step 6: Final answer
    x = 39,513,018.30

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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.