Home / 90,699,462.40-136,072,649.04-26,008,002.40

Finding the Fourth Proportional to 90,699,462.40, 136,072,649.04 and 26,008,002.40

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Solution

The fourth proportional to 90,699,462.40, 136,072,649.04 and 26,008,002.40 is: 39,018,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,462.40 : 136,072,649.04 = 26,008,002.40 : x
  2. Step 2: Convert to fraction form
    90,699,462.40/136,072,649.04 = 26,008,002.40/x
  3. Step 3: Cross multiply
    90,699,462.40x = 136,072,649.04 × 26,008,002.40
  4. Step 4: Simplify right side
    90,699,462.40x = 3,538,977,782,806,677.50
  5. Step 5: Solve for x
    x = 3,538,977,782,806,677.50/90,699,462.40
  6. Step 6: Final answer
    x = 39,018,729.43

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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.