Home / 134,059,645.15-185,017,810.10-78,318,999.15

Finding the Fourth Proportional to 134,059,645.15, 185,017,810.10 and 78,318,999.15

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Solution

The fourth proportional to 134,059,645.15, 185,017,810.10 and 78,318,999.15 is: 108,089,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,059,645.15 : 185,017,810.10 = 78,318,999.15 : x
  2. Step 2: Convert to fraction form
    134,059,645.15/185,017,810.10 = 78,318,999.15/x
  3. Step 3: Cross multiply
    134,059,645.15x = 185,017,810.10 × 78,318,999.15
  4. Step 4: Simplify right side
    134,059,645.15x = 14,490,409,711,391,618
  5. Step 5: Solve for x
    x = 14,490,409,711,391,618/134,059,645.15
  6. Step 6: Final answer
    x = 108,089,273.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.