Home / 86,907,810.20-130,361,715.30-39,132,066.20

Finding the Fourth Proportional to 86,907,810.20, 130,361,715.30 and 39,132,066.20

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Solution

The fourth proportional to 86,907,810.20, 130,361,715.30 and 39,132,066.20 is: 58,698,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907,810.20 : 130,361,715.30 = 39,132,066.20 : x
  2. Step 2: Convert to fraction form
    86,907,810.20/130,361,715.30 = 39,132,066.20/x
  3. Step 3: Cross multiply
    86,907,810.20x = 130,361,715.30 × 39,132,066.20
  4. Step 4: Simplify right side
    86,907,810.20x = 5,101,323,273,065,153
  5. Step 5: Solve for x
    x = 5,101,323,273,065,153/86,907,810.20
  6. Step 6: Final answer
    x = 58,698,099.30

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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.