Home / 134,756,932.87-185,965,124.30-72,877,270.15

Finding the Fourth Proportional to 134,756,932.87, 185,965,124.30 and 72,877,270.15

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Solution

The fourth proportional to 134,756,932.87, 185,965,124.30 and 72,877,270.15 is: 100,570,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,756,932.87 : 185,965,124.30 = 72,877,270.15 : x
  2. Step 2: Convert to fraction form
    134,756,932.87/185,965,124.30 = 72,877,270.15/x
  3. Step 3: Cross multiply
    134,756,932.87x = 185,965,124.30 × 72,877,270.15
  4. Step 4: Simplify right side
    134,756,932.87x = 13,552,630,602,089,432
  5. Step 5: Solve for x
    x = 13,552,630,602,089,432/134,756,932.87
  6. Step 6: Final answer
    x = 100,570,934.00

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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.