Home / 106,416,016.40-159,687,010.20-70,129,312.40

Finding the Fourth Proportional to 106,416,016.40, 159,687,010.20 and 70,129,312.40

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Solution

The fourth proportional to 106,416,016.40, 159,687,010.20 and 70,129,312.40 is: 105,235,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,416,016.40 : 159,687,010.20 = 70,129,312.40 : x
  2. Step 2: Convert to fraction form
    106,416,016.40/159,687,010.20 = 70,129,312.40/x
  3. Step 3: Cross multiply
    106,416,016.40x = 159,687,010.20 × 70,129,312.40
  4. Step 4: Simplify right side
    106,416,016.40x = 11,198,740,224,537,786
  5. Step 5: Solve for x
    x = 11,198,740,224,537,786/106,416,016.40
  6. Step 6: Final answer
    x = 105,235,476.80

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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.