Home / 130,796,999.40-196,195,499.10-127,962,647.40

Finding the Fourth Proportional to 130,796,999.40, 196,195,499.10 and 127,962,647.40

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Solution

The fourth proportional to 130,796,999.40, 196,195,499.10 and 127,962,647.40 is: 191,943,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,796,999.40 : 196,195,499.10 = 127,962,647.40 : x
  2. Step 2: Convert to fraction form
    130,796,999.40/196,195,499.10 = 127,962,647.40/x
  3. Step 3: Cross multiply
    130,796,999.40x = 196,195,499.10 × 127,962,647.40
  4. Step 4: Simplify right side
    130,796,999.40x = 25,105,695,472,800,316
  5. Step 5: Solve for x
    x = 25,105,695,472,800,316/130,796,999.40
  6. Step 6: Final answer
    x = 191,943,971.10

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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.