Home / 207,793,594.40-311,484,813.60-98,426,535.80

Finding the Fourth Proportional to 207,793,594.40, 311,484,813.60 and 98,426,535.80

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Solution

The fourth proportional to 207,793,594.40, 311,484,813.60 and 98,426,535.80 is: 147,542,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,793,594.40 : 311,484,813.60 = 98,426,535.80 : x
  2. Step 2: Convert to fraction form
    207,793,594.40/311,484,813.60 = 98,426,535.80/x
  3. Step 3: Cross multiply
    207,793,594.40x = 311,484,813.60 × 98,426,535.80
  4. Step 4: Simplify right side
    207,793,594.40x = 30,658,371,156,956,728
  5. Step 5: Solve for x
    x = 30,658,371,156,956,728/207,793,594.40
  6. Step 6: Final answer
    x = 147,542,426.63

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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.