Home / 75,532,603.20-113,298,904.80-39,626,145.60

Finding the Fourth Proportional to 75,532,603.20, 113,298,904.80 and 39,626,145.60

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Solution

The fourth proportional to 75,532,603.20, 113,298,904.80 and 39,626,145.60 is: 59,439,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,532,603.20 : 113,298,904.80 = 39,626,145.60 : x
  2. Step 2: Convert to fraction form
    75,532,603.20/113,298,904.80 = 39,626,145.60/x
  3. Step 3: Cross multiply
    75,532,603.20x = 113,298,904.80 × 39,626,145.60
  4. Step 4: Simplify right side
    75,532,603.20x = 4,489,598,897,925,339
  5. Step 5: Solve for x
    x = 4,489,598,897,925,339/75,532,603.20
  6. Step 6: Final answer
    x = 59,439,218.40

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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.