Home / 42,770,998.60-64,014,780.30-39,369,776.20

Finding the Fourth Proportional to 42,770,998.60, 64,014,780.30 and 39,369,776.20

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Solution

The fourth proportional to 42,770,998.60, 64,014,780.30 and 39,369,776.20 is: 58,924,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,770,998.60 : 64,014,780.30 = 39,369,776.20 : x
  2. Step 2: Convert to fraction form
    42,770,998.60/64,014,780.30 = 39,369,776.20/x
  3. Step 3: Cross multiply
    42,770,998.60x = 64,014,780.30 × 39,369,776.20
  4. Step 4: Simplify right side
    42,770,998.60x = 2,520,247,573,903,169
  5. Step 5: Solve for x
    x = 2,520,247,573,903,169/42,770,998.60
  6. Step 6: Final answer
    x = 58,924,216.32

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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.