Home / 86,907,949.70-130,361,924.55-39,132,205.70

Finding the Fourth Proportional to 86,907,949.70, 130,361,924.55 and 39,132,205.70

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Solution

The fourth proportional to 86,907,949.70, 130,361,924.55 and 39,132,205.70 is: 58,698,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907,949.70 : 130,361,924.55 = 39,132,205.70 : x
  2. Step 2: Convert to fraction form
    86,907,949.70/130,361,924.55 = 39,132,205.70/x
  3. Step 3: Cross multiply
    86,907,949.70x = 130,361,924.55 × 39,132,205.70
  4. Step 4: Simplify right side
    86,907,949.70x = 5,101,349,646,938,480
  5. Step 5: Solve for x
    x = 5,101,349,646,938,480/86,907,949.70
  6. Step 6: Final answer
    x = 58,698,308.55

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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.