Home / 75,370,534.40-113,055,801.60-72,181,888.40

Finding the Fourth Proportional to 75,370,534.40, 113,055,801.60 and 72,181,888.40

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Solution

The fourth proportional to 75,370,534.40, 113,055,801.60 and 72,181,888.40 is: 108,272,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370,534.40 : 113,055,801.60 = 72,181,888.40 : x
  2. Step 2: Convert to fraction form
    75,370,534.40/113,055,801.60 = 72,181,888.40/x
  3. Step 3: Cross multiply
    75,370,534.40x = 113,055,801.60 × 72,181,888.40
  4. Step 4: Simplify right side
    75,370,534.40x = 8,160,581,254,063,742
  5. Step 5: Solve for x
    x = 8,160,581,254,063,742/75,370,534.40
  6. Step 6: Final answer
    x = 108,272,832.60

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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.