Home / 202,091,374.20-303,137,061.30-72,703,205.40

Finding the Fourth Proportional to 202,091,374.20, 303,137,061.30 and 72,703,205.40

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Solution

The fourth proportional to 202,091,374.20, 303,137,061.30 and 72,703,205.40 is: 109,054,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,091,374.20 : 303,137,061.30 = 72,703,205.40 : x
  2. Step 2: Convert to fraction form
    202,091,374.20/303,137,061.30 = 72,703,205.40/x
  3. Step 3: Cross multiply
    202,091,374.20x = 303,137,061.30 × 72,703,205.40
  4. Step 4: Simplify right side
    202,091,374.20x = 22,039,036,032,046,292
  5. Step 5: Solve for x
    x = 22,039,036,032,046,292/202,091,374.20
  6. Step 6: Final answer
    x = 109,054,808.10

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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.