Home / 109,124,136.80-163,213,813.20-97,692,250.40

Finding the Fourth Proportional to 109,124,136.80, 163,213,813.20 and 97,692,250.40

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Solution

The fourth proportional to 109,124,136.80, 163,213,813.20 and 97,692,250.40 is: 146,115,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,124,136.80 : 163,213,813.20 = 97,692,250.40 : x
  2. Step 2: Convert to fraction form
    109,124,136.80/163,213,813.20 = 97,692,250.40/x
  3. Step 3: Cross multiply
    109,124,136.80x = 163,213,813.20 × 97,692,250.40
  4. Step 4: Simplify right side
    109,124,136.80x = 15,944,724,707,873,226
  5. Step 5: Solve for x
    x = 15,944,724,707,873,226/109,124,136.80
  6. Step 6: Final answer
    x = 146,115,471.57

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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.