Home / 100,969,225.48-139,337,528.30-54,559,478.04

Finding the Fourth Proportional to 100,969,225.48, 139,337,528.30 and 54,559,478.04

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Solution

The fourth proportional to 100,969,225.48, 139,337,528.30 and 54,559,478.04 is: 75,292,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,969,225.48 : 139,337,528.30 = 54,559,478.04 : x
  2. Step 2: Convert to fraction form
    100,969,225.48/139,337,528.30 = 54,559,478.04/x
  3. Step 3: Cross multiply
    100,969,225.48x = 139,337,528.30 × 54,559,478.04
  4. Step 4: Simplify right side
    100,969,225.48x = 7,602,182,815,431,729
  5. Step 5: Solve for x
    x = 7,602,182,815,431,729/100,969,225.48
  6. Step 6: Final answer
    x = 75,292,078.15

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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.