Home / 103,631,756.90-155,501,434.20-42,265,936.58

Finding the Fourth Proportional to 103,631,756.90, 155,501,434.20 and 42,265,936.58

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Solution

The fourth proportional to 103,631,756.90, 155,501,434.20 and 42,265,936.58 is: 63,420,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631,756.90 : 155,501,434.20 = 42,265,936.58 : x
  2. Step 2: Convert to fraction form
    103,631,756.90/155,501,434.20 = 42,265,936.58/x
  3. Step 3: Cross multiply
    103,631,756.90x = 155,501,434.20 × 42,265,936.58
  4. Step 4: Simplify right side
    103,631,756.90x = 6,572,413,755,996,242
  5. Step 5: Solve for x
    x = 6,572,413,755,996,242/103,631,756.90
  6. Step 6: Final answer
    x = 63,420,846.59

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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.