Home / 42,588,998.40-63,883,497.60-30,495,763.20

Finding the Fourth Proportional to 42,588,998.40, 63,883,497.60 and 30,495,763.20

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Solution

The fourth proportional to 42,588,998.40, 63,883,497.60 and 30,495,763.20 is: 45,743,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,588,998.40 : 63,883,497.60 = 30,495,763.20 : x
  2. Step 2: Convert to fraction form
    42,588,998.40/63,883,497.60 = 30,495,763.20/x
  3. Step 3: Cross multiply
    42,588,998.40x = 63,883,497.60 × 30,495,763.20
  4. Step 4: Simplify right side
    42,588,998.40x = 1,948,176,015,197,368.25
  5. Step 5: Solve for x
    x = 1,948,176,015,197,368.25/42,588,998.40
  6. Step 6: Final answer
    x = 45,743,644.80

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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.