Home / 69,984,187.60-104,976,281.40-42,774,408.40

Finding the Fourth Proportional to 69,984,187.60, 104,976,281.40 and 42,774,408.40

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Solution

The fourth proportional to 69,984,187.60, 104,976,281.40 and 42,774,408.40 is: 64,161,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,187.60 : 104,976,281.40 = 42,774,408.40 : x
  2. Step 2: Convert to fraction form
    69,984,187.60/104,976,281.40 = 42,774,408.40/x
  3. Step 3: Cross multiply
    69,984,187.60x = 104,976,281.40 × 42,774,408.40
  4. Step 4: Simplify right side
    69,984,187.60x = 4,490,298,332,916,924
  5. Step 5: Solve for x
    x = 4,490,298,332,916,924/69,984,187.60
  6. Step 6: Final answer
    x = 64,161,612.60

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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.