Home / 86,921,121.60-130,334,443.20-35,808,307.20

Finding the Fourth Proportional to 86,921,121.60, 130,334,443.20 and 35,808,307.20

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Solution

The fourth proportional to 86,921,121.60, 130,334,443.20 and 35,808,307.20 is: 53,692,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921,121.60 : 130,334,443.20 = 35,808,307.20 : x
  2. Step 2: Convert to fraction form
    86,921,121.60/130,334,443.20 = 35,808,307.20/x
  3. Step 3: Cross multiply
    86,921,121.60x = 130,334,443.20 × 35,808,307.20
  4. Step 4: Simplify right side
    86,921,121.60x = 4,667,055,780,846,552
  5. Step 5: Solve for x
    x = 4,667,055,780,846,552/86,921,121.60
  6. Step 6: Final answer
    x = 53,692,999.99

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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.