Home / 127,334,010.80-191,001,016.20-45,492,096.80

Finding the Fourth Proportional to 127,334,010.80, 191,001,016.20 and 45,492,096.80

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Solution

The fourth proportional to 127,334,010.80, 191,001,016.20 and 45,492,096.80 is: 68,238,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,334,010.80 : 191,001,016.20 = 45,492,096.80 : x
  2. Step 2: Convert to fraction form
    127,334,010.80/191,001,016.20 = 45,492,096.80/x
  3. Step 3: Cross multiply
    127,334,010.80x = 191,001,016.20 × 45,492,096.80
  4. Step 4: Simplify right side
    127,334,010.80x = 8,689,036,717,868,767
  5. Step 5: Solve for x
    x = 8,689,036,717,868,767/127,334,010.80
  6. Step 6: Final answer
    x = 68,238,145.20

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1.5x scale

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.