Home / 124,827,682.40-187,241,523.60-86,532,437.60

Finding the Fourth Proportional to 124,827,682.40, 187,241,523.60 and 86,532,437.60

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Solution

The fourth proportional to 124,827,682.40, 187,241,523.60 and 86,532,437.60 is: 129,798,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827,682.40 : 187,241,523.60 = 86,532,437.60 : x
  2. Step 2: Convert to fraction form
    124,827,682.40/187,241,523.60 = 86,532,437.60/x
  3. Step 3: Cross multiply
    124,827,682.40x = 187,241,523.60 × 86,532,437.60
  4. Step 4: Simplify right side
    124,827,682.40x = 16,202,465,457,045,926
  5. Step 5: Solve for x
    x = 16,202,465,457,045,926/124,827,682.40
  6. Step 6: Final answer
    x = 129,798,656.40

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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.