Home / 74,357,999.60-111,536,999.40-69,319,151.60

Finding the Fourth Proportional to 74,357,999.60, 111,536,999.40 and 69,319,151.60

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Solution

The fourth proportional to 74,357,999.60, 111,536,999.40 and 69,319,151.60 is: 103,978,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357,999.60 : 111,536,999.40 = 69,319,151.60 : x
  2. Step 2: Convert to fraction form
    74,357,999.60/111,536,999.40 = 69,319,151.60/x
  3. Step 3: Cross multiply
    74,357,999.60x = 111,536,999.40 × 69,319,151.60
  4. Step 4: Simplify right side
    74,357,999.60x = 7,731,650,170,417,709
  5. Step 5: Solve for x
    x = 7,731,650,170,417,709/74,357,999.60
  6. Step 6: Final answer
    x = 103,978,727.40

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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.