Home / 75,022,977.60-112,534,466.40-69,984,129.60

Finding the Fourth Proportional to 75,022,977.60, 112,534,466.40 and 69,984,129.60

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Solution

The fourth proportional to 75,022,977.60, 112,534,466.40 and 69,984,129.60 is: 104,976,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022,977.60 : 112,534,466.40 = 69,984,129.60 : x
  2. Step 2: Convert to fraction form
    75,022,977.60/112,534,466.40 = 69,984,129.60/x
  3. Step 3: Cross multiply
    75,022,977.60x = 112,534,466.40 × 69,984,129.60
  4. Step 4: Simplify right side
    75,022,977.60x = 7,875,626,681,004,445
  5. Step 5: Solve for x
    x = 7,875,626,681,004,445/75,022,977.60
  6. Step 6: Final answer
    x = 104,976,194.40

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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.