Home / 131,435,430.20-196,775,231.70-127,656,294.20

Finding the Fourth Proportional to 131,435,430.20, 196,775,231.70 and 127,656,294.20

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Solution

The fourth proportional to 131,435,430.20, 196,775,231.70 and 127,656,294.20 is: 191,117,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435,430.20 : 196,775,231.70 = 127,656,294.20 : x
  2. Step 2: Convert to fraction form
    131,435,430.20/196,775,231.70 = 127,656,294.20/x
  3. Step 3: Cross multiply
    131,435,430.20x = 196,775,231.70 × 127,656,294.20
  4. Step 4: Simplify right side
    131,435,430.20x = 25,119,596,869,168,364
  5. Step 5: Solve for x
    x = 25,119,596,869,168,364/131,435,430.20
  6. Step 6: Final answer
    x = 191,117,393.77

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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.