Home / 74,709,435-103,100,594.94-42,114,387

Finding the Fourth Proportional to 74,709,435, 103,100,594.94 and 42,114,387

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Solution

The fourth proportional to 74,709,435, 103,100,594.94 and 42,114,387 is: 58,118,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,709,435 : 103,100,594.94 = 42,114,387 : x
  2. Step 2: Convert to fraction form
    74,709,435/103,100,594.94 = 42,114,387/x
  3. Step 3: Cross multiply
    74,709,435x = 103,100,594.94 × 42,114,387
  4. Step 4: Simplify right side
    74,709,435x = 4,342,018,355,233,401.50
  5. Step 5: Solve for x
    x = 4,342,018,355,233,401.50/74,709,435
  6. Step 6: Final answer
    x = 58,118,741.70

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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.