Home / 66,445,302.70-99,667,954.05-40,803,165.10

Finding the Fourth Proportional to 66,445,302.70, 99,667,954.05 and 40,803,165.10

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Solution

The fourth proportional to 66,445,302.70, 99,667,954.05 and 40,803,165.10 is: 61,204,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,302.70 : 99,667,954.05 = 40,803,165.10 : x
  2. Step 2: Convert to fraction form
    66,445,302.70/99,667,954.05 = 40,803,165.10/x
  3. Step 3: Cross multiply
    66,445,302.70x = 99,667,954.05 × 40,803,165.10
  4. Step 4: Simplify right side
    66,445,302.70x = 4,066,767,984,281,363.50
  5. Step 5: Solve for x
    x = 4,066,767,984,281,363.50/66,445,302.70
  6. Step 6: Final answer
    x = 61,204,747.65

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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.