Home / 107,291,493.40-148,065,432.96-75,985,550.68

Finding the Fourth Proportional to 107,291,493.40, 148,065,432.96 and 75,985,550.68

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Solution

The fourth proportional to 107,291,493.40, 148,065,432.96 and 75,985,550.68 is: 104,862,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,291,493.40 : 148,065,432.96 = 75,985,550.68 : x
  2. Step 2: Convert to fraction form
    107,291,493.40/148,065,432.96 = 75,985,550.68/x
  3. Step 3: Cross multiply
    107,291,493.40x = 148,065,432.96 × 75,985,550.68
  4. Step 4: Simplify right side
    107,291,493.40x = 11,250,833,460,138,224
  5. Step 5: Solve for x
    x = 11,250,833,460,138,224/107,291,493.40
  6. Step 6: Final answer
    x = 104,862,306.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.