Home / 112,065,810.40-168,098,715.60-43,885,842.40

Finding the Fourth Proportional to 112,065,810.40, 168,098,715.60 and 43,885,842.40

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Solution

The fourth proportional to 112,065,810.40, 168,098,715.60 and 43,885,842.40 is: 65,828,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065,810.40 : 168,098,715.60 = 43,885,842.40 : x
  2. Step 2: Convert to fraction form
    112,065,810.40/168,098,715.60 = 43,885,842.40/x
  3. Step 3: Cross multiply
    112,065,810.40x = 168,098,715.60 × 43,885,842.40
  4. Step 4: Simplify right side
    112,065,810.40x = 7,377,153,740,464,021
  5. Step 5: Solve for x
    x = 7,377,153,740,464,021/112,065,810.40
  6. Step 6: Final answer
    x = 65,828,763.60

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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.