Home / 112,227,562.80-168,341,344.20-105,991,988.40

Finding the Fourth Proportional to 112,227,562.80, 168,341,344.20 and 105,991,988.40

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Solution

The fourth proportional to 112,227,562.80, 168,341,344.20 and 105,991,988.40 is: 158,987,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227,562.80 : 168,341,344.20 = 105,991,988.40 : x
  2. Step 2: Convert to fraction form
    112,227,562.80/168,341,344.20 = 105,991,988.40/x
  3. Step 3: Cross multiply
    112,227,562.80x = 168,341,344.20 × 105,991,988.40
  4. Step 4: Simplify right side
    112,227,562.80x = 17,842,833,801,686,808
  5. Step 5: Solve for x
    x = 17,842,833,801,686,808/112,227,562.80
  6. Step 6: Final answer
    x = 158,987,982.60

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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.