Home / 79,186,233.60-118,779,350.40-69,612,422.40

Finding the Fourth Proportional to 79,186,233.60, 118,779,350.40 and 69,612,422.40

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Solution

The fourth proportional to 79,186,233.60, 118,779,350.40 and 69,612,422.40 is: 104,418,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186,233.60 : 118,779,350.40 = 69,612,422.40 : x
  2. Step 2: Convert to fraction form
    79,186,233.60/118,779,350.40 = 69,612,422.40/x
  3. Step 3: Cross multiply
    79,186,233.60x = 118,779,350.40 × 69,612,422.40
  4. Step 4: Simplify right side
    79,186,233.60x = 8,268,518,312,442,410
  5. Step 5: Solve for x
    x = 8,268,518,312,442,410/79,186,233.60
  6. Step 6: Final answer
    x = 104,418,633.60

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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.