Home / 124,689,969.10-187,034,953.65-38,420,692.30

Finding the Fourth Proportional to 124,689,969.10, 187,034,953.65 and 38,420,692.30

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Solution

The fourth proportional to 124,689,969.10, 187,034,953.65 and 38,420,692.30 is: 57,631,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,689,969.10 : 187,034,953.65 = 38,420,692.30 : x
  2. Step 2: Convert to fraction form
    124,689,969.10/187,034,953.65 = 38,420,692.30/x
  3. Step 3: Cross multiply
    124,689,969.10x = 187,034,953.65 × 38,420,692.30
  4. Step 4: Simplify right side
    124,689,969.10x = 7,186,012,403,531,412
  5. Step 5: Solve for x
    x = 7,186,012,403,531,412/124,689,969.10
  6. Step 6: Final answer
    x = 57,631,038.45

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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.