Home / 72,834,249.26-100,510,075.04-39,793,787.30

Finding the Fourth Proportional to 72,834,249.26, 100,510,075.04 and 39,793,787.30

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Solution

The fourth proportional to 72,834,249.26, 100,510,075.04 and 39,793,787.30 is: 54,914,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,249.26 : 100,510,075.04 = 39,793,787.30 : x
  2. Step 2: Convert to fraction form
    72,834,249.26/100,510,075.04 = 39,793,787.30/x
  3. Step 3: Cross multiply
    72,834,249.26x = 100,510,075.04 × 39,793,787.30
  4. Step 4: Simplify right side
    72,834,249.26x = 3,999,676,547,648,799
  5. Step 5: Solve for x
    x = 3,999,676,547,648,799/72,834,249.26
  6. Step 6: Final answer
    x = 54,914,776.88

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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.