Home / 125,655,334.90-188,483,002.35-84,840,666.10

Finding the Fourth Proportional to 125,655,334.90, 188,483,002.35 and 84,840,666.10

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Solution

The fourth proportional to 125,655,334.90, 188,483,002.35 and 84,840,666.10 is: 127,260,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655,334.90 : 188,483,002.35 = 84,840,666.10 : x
  2. Step 2: Convert to fraction form
    125,655,334.90/188,483,002.35 = 84,840,666.10/x
  3. Step 3: Cross multiply
    125,655,334.90x = 188,483,002.35 × 84,840,666.10
  4. Step 4: Simplify right side
    125,655,334.90x = 15,991,023,467,901,864
  5. Step 5: Solve for x
    x = 15,991,023,467,901,864/125,655,334.90
  6. Step 6: Final answer
    x = 127,260,999.15

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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.