Home / 42,290,181.60-63,435,272.40-40,106,680.80

Finding the Fourth Proportional to 42,290,181.60, 63,435,272.40 and 40,106,680.80

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Solution

The fourth proportional to 42,290,181.60, 63,435,272.40 and 40,106,680.80 is: 60,160,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290,181.60 : 63,435,272.40 = 40,106,680.80 : x
  2. Step 2: Convert to fraction form
    42,290,181.60/63,435,272.40 = 40,106,680.80/x
  3. Step 3: Cross multiply
    42,290,181.60x = 63,435,272.40 × 40,106,680.80
  4. Step 4: Simplify right side
    42,290,181.60x = 2,544,178,221,607,849.50
  5. Step 5: Solve for x
    x = 2,544,178,221,607,849.50/42,290,181.60
  6. Step 6: Final answer
    x = 60,160,021.20

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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.