Home / 74,211,207.35-102,399,916.91-42,420,923.10

Finding the Fourth Proportional to 74,211,207.35, 102,399,916.91 and 42,420,923.10

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Solution

The fourth proportional to 74,211,207.35, 102,399,916.91 and 42,420,923.10 is: 58,534,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211,207.35 : 102,399,916.91 = 42,420,923.10 : x
  2. Step 2: Convert to fraction form
    74,211,207.35/102,399,916.91 = 42,420,923.10/x
  3. Step 3: Cross multiply
    74,211,207.35x = 102,399,916.91 × 42,420,923.10
  4. Step 4: Simplify right side
    74,211,207.35x = 4,343,899,000,473,395
  5. Step 5: Solve for x
    x = 4,343,899,000,473,395/74,211,207.35
  6. Step 6: Final answer
    x = 58,534,272.06

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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.