Home / 134,059,646.15-185,017,811.48-78,319,000.15

Finding the Fourth Proportional to 134,059,646.15, 185,017,811.48 and 78,319,000.15

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Solution

The fourth proportional to 134,059,646.15, 185,017,811.48 and 78,319,000.15 is: 108,089,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,059,646.15 : 185,017,811.48 = 78,319,000.15 : x
  2. Step 2: Convert to fraction form
    134,059,646.15/185,017,811.48 = 78,319,000.15/x
  3. Step 3: Cross multiply
    134,059,646.15x = 185,017,811.48 × 78,319,000.15
  4. Step 4: Simplify right side
    134,059,646.15x = 14,490,410,005,054,792
  5. Step 5: Solve for x
    x = 14,490,410,005,054,792/134,059,646.15
  6. Step 6: Final answer
    x = 108,089,275.34

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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.