Home / 83,051,722.70-124,577,584.05-78,894,673.10

Finding the Fourth Proportional to 83,051,722.70, 124,577,584.05 and 78,894,673.10

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Solution

The fourth proportional to 83,051,722.70, 124,577,584.05 and 78,894,673.10 is: 118,342,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051,722.70 : 124,577,584.05 = 78,894,673.10 : x
  2. Step 2: Convert to fraction form
    83,051,722.70/124,577,584.05 = 78,894,673.10/x
  3. Step 3: Cross multiply
    83,051,722.70x = 124,577,584.05 × 78,894,673.10
  4. Step 4: Simplify right side
    83,051,722.70x = 9,828,507,769,212,524
  5. Step 5: Solve for x
    x = 9,828,507,769,212,524/83,051,722.70
  6. Step 6: Final answer
    x = 118,342,009.65

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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.