Home / 42,113,368.80-63,170,053.20-10,200,664.80

Finding the Fourth Proportional to 42,113,368.80, 63,170,053.20 and 10,200,664.80

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Solution

The fourth proportional to 42,113,368.80, 63,170,053.20 and 10,200,664.80 is: 15,300,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,113,368.80 : 63,170,053.20 = 10,200,664.80 : x
  2. Step 2: Convert to fraction form
    42,113,368.80/63,170,053.20 = 10,200,664.80/x
  3. Step 3: Cross multiply
    42,113,368.80x = 63,170,053.20 × 10,200,664.80
  4. Step 4: Simplify right side
    42,113,368.80x = 644,376,538,091,367.38
  5. Step 5: Solve for x
    x = 644,376,538,091,367.38/42,113,368.80
  6. Step 6: Final answer
    x = 15,300,997.20

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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.