Home / 86,986,646.60-130,479,969.90-58,321,200.20

Finding the Fourth Proportional to 86,986,646.60, 130,479,969.90 and 58,321,200.20

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Solution

The fourth proportional to 86,986,646.60, 130,479,969.90 and 58,321,200.20 is: 87,481,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,986,646.60 : 130,479,969.90 = 58,321,200.20 : x
  2. Step 2: Convert to fraction form
    86,986,646.60/130,479,969.90 = 58,321,200.20/x
  3. Step 3: Cross multiply
    86,986,646.60x = 130,479,969.90 × 58,321,200.20
  4. Step 4: Simplify right side
    86,986,646.60x = 7,609,748,446,627,875
  5. Step 5: Solve for x
    x = 7,609,748,446,627,875/86,986,646.60
  6. Step 6: Final answer
    x = 87,481,800.30

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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.