Home / 86,793,078.80-130,142,314.20-26,200,931.60

Finding the Fourth Proportional to 86,793,078.80, 130,142,314.20 and 26,200,931.60

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Solution

The fourth proportional to 86,793,078.80, 130,142,314.20 and 26,200,931.60 is: 39,287,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,078.80 : 130,142,314.20 = 26,200,931.60 : x
  2. Step 2: Convert to fraction form
    86,793,078.80/130,142,314.20 = 26,200,931.60/x
  3. Step 3: Cross multiply
    86,793,078.80x = 130,142,314.20 × 26,200,931.60
  4. Step 4: Simplify right side
    86,793,078.80x = 3,409,849,872,619,909
  5. Step 5: Solve for x
    x = 3,409,849,872,619,909/86,793,078.80
  6. Step 6: Final answer
    x = 39,287,117.36

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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.