Home / 48,274,893.60-72,412,340.40-42,984,103.20

Finding the Fourth Proportional to 48,274,893.60, 72,412,340.40 and 42,984,103.20

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Solution

The fourth proportional to 48,274,893.60, 72,412,340.40 and 42,984,103.20 is: 64,476,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,274,893.60 : 72,412,340.40 = 42,984,103.20 : x
  2. Step 2: Convert to fraction form
    48,274,893.60/72,412,340.40 = 42,984,103.20/x
  3. Step 3: Cross multiply
    48,274,893.60x = 72,412,340.40 × 42,984,103.20
  4. Step 4: Simplify right side
    48,274,893.60x = 3,112,579,512,707,130
  5. Step 5: Solve for x
    x = 3,112,579,512,707,130/48,274,893.60
  6. Step 6: Final answer
    x = 64,476,154.80

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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.