Home / 125,286,937.59-172,916,753.76-73,075,971.78

Finding the Fourth Proportional to 125,286,937.59, 172,916,753.76 and 73,075,971.78

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Solution

The fourth proportional to 125,286,937.59, 172,916,753.76 and 73,075,971.78 is: 100,856,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,286,937.59 : 172,916,753.76 = 73,075,971.78 : x
  2. Step 2: Convert to fraction form
    125,286,937.59/172,916,753.76 = 73,075,971.78/x
  3. Step 3: Cross multiply
    125,286,937.59x = 172,916,753.76 × 73,075,971.78
  4. Step 4: Simplify right side
    125,286,937.59x = 12,636,059,818,054,968
  5. Step 5: Solve for x
    x = 12,636,059,818,054,968/125,286,937.59
  6. Step 6: Final answer
    x = 100,856,961.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.