Home / 90,458,088.18-135,702,265.50-71,026,530

Finding the Fourth Proportional to 90,458,088.18, 135,702,265.50 and 71,026,530

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Solution

The fourth proportional to 90,458,088.18, 135,702,265.50 and 71,026,530 is: 106,551,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,458,088.18 : 135,702,265.50 = 71,026,530 : x
  2. Step 2: Convert to fraction form
    90,458,088.18/135,702,265.50 = 71,026,530/x
  3. Step 3: Cross multiply
    90,458,088.18x = 135,702,265.50 × 71,026,530
  4. Step 4: Simplify right side
    90,458,088.18x = 9,638,461,031,603,716
  5. Step 5: Solve for x
    x = 9,638,461,031,603,716/90,458,088.18
  6. Step 6: Final answer
    x = 106,551,677.42

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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.