Home / 219,750,400,139.40-329,711,596,548.30-80,178,341,617.80

Finding the Fourth Proportional to 219,750,400,139.40, 329,711,596,548.30 and 80,178,341,617.80

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Solution

The fourth proportional to 219,750,400,139.40, 329,711,596,548.30 and 80,178,341,617.80 is: 120,298,889,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,750,400,139.40 : 329,711,596,548.30 = 80,178,341,617.80 : x
  2. Step 2: Convert to fraction form
    219,750,400,139.40/329,711,596,548.30 = 80,178,341,617.80/x
  3. Step 3: Cross multiply
    219,750,400,139.40x = 329,711,596,548.30 × 80,178,341,617.80
  4. Step 4: Simplify right side
    219,750,400,139.40x = 26,435,729,023,399,842,807,808
  5. Step 5: Solve for x
    x = 26,435,729,023,399,842,807,808/219,750,400,139.40
  6. Step 6: Final answer
    x = 120,298,889,133.45

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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.