Home / 86,934,407.55-130,401,611.33-83,575,175.55

Finding the Fourth Proportional to 86,934,407.55, 130,401,611.33 and 83,575,175.55

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Solution

The fourth proportional to 86,934,407.55, 130,401,611.33 and 83,575,175.55 is: 125,362,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934,407.55 : 130,401,611.33 = 83,575,175.55 : x
  2. Step 2: Convert to fraction form
    86,934,407.55/130,401,611.33 = 83,575,175.55/x
  3. Step 3: Cross multiply
    86,934,407.55x = 130,401,611.33 × 83,575,175.55
  4. Step 4: Simplify right side
    86,934,407.55x = 10,898,337,558,489,742
  5. Step 5: Solve for x
    x = 10,898,337,558,489,742/86,934,407.55
  6. Step 6: Final answer
    x = 125,362,763.33

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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.