Home / 86,022,783.60-129,034,175.40-38,153,727.60

Finding the Fourth Proportional to 86,022,783.60, 129,034,175.40 and 38,153,727.60

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Solution

The fourth proportional to 86,022,783.60, 129,034,175.40 and 38,153,727.60 is: 57,230,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022,783.60 : 129,034,175.40 = 38,153,727.60 : x
  2. Step 2: Convert to fraction form
    86,022,783.60/129,034,175.40 = 38,153,727.60/x
  3. Step 3: Cross multiply
    86,022,783.60x = 129,034,175.40 × 38,153,727.60
  4. Step 4: Simplify right side
    86,022,783.60x = 4,923,134,779,302,221
  5. Step 5: Solve for x
    x = 4,923,134,779,302,221/86,022,783.60
  6. Step 6: Final answer
    x = 57,230,591.40

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1.5x scale

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.