Home / 86,630,452.80-129,882,693.60-35,486,145.60

Finding the Fourth Proportional to 86,630,452.80, 129,882,693.60 and 35,486,145.60

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Solution

The fourth proportional to 86,630,452.80, 129,882,693.60 and 35,486,145.60 is: 53,203,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,630,452.80 : 129,882,693.60 = 35,486,145.60 : x
  2. Step 2: Convert to fraction form
    86,630,452.80/129,882,693.60 = 35,486,145.60/x
  3. Step 3: Cross multiply
    86,630,452.80x = 129,882,693.60 × 35,486,145.60
  4. Step 4: Simplify right side
    86,630,452.80x = 4,609,036,176,009,788
  5. Step 5: Solve for x
    x = 4,609,036,176,009,788/86,630,452.80
  6. Step 6: Final answer
    x = 53,203,417.82

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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.