Home / 68,239,110.90-102,358,666.35-61,436,666.10

Finding the Fourth Proportional to 68,239,110.90, 102,358,666.35 and 61,436,666.10

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Solution

The fourth proportional to 68,239,110.90, 102,358,666.35 and 61,436,666.10 is: 92,154,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,239,110.90 : 102,358,666.35 = 61,436,666.10 : x
  2. Step 2: Convert to fraction form
    68,239,110.90/102,358,666.35 = 61,436,666.10/x
  3. Step 3: Cross multiply
    68,239,110.90x = 102,358,666.35 × 61,436,666.10
  4. Step 4: Simplify right side
    68,239,110.90x = 6,288,575,206,986,256
  5. Step 5: Solve for x
    x = 6,288,575,206,986,256/68,239,110.90
  6. Step 6: Final answer
    x = 92,154,999.15

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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.