Home / 72,046,787.65-99,423,380.01-39,006,772.63

Finding the Fourth Proportional to 72,046,787.65, 99,423,380.01 and 39,006,772.63

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Solution

The fourth proportional to 72,046,787.65, 99,423,380.01 and 39,006,772.63 is: 53,828,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,787.65 : 99,423,380.01 = 39,006,772.63 : x
  2. Step 2: Convert to fraction form
    72,046,787.65/99,423,380.01 = 39,006,772.63/x
  3. Step 3: Cross multiply
    72,046,787.65x = 99,423,380.01 × 39,006,772.63
  4. Step 4: Simplify right side
    72,046,787.65x = 3,878,185,178,156,157.50
  5. Step 5: Solve for x
    x = 3,878,185,178,156,157.50/72,046,787.65
  6. Step 6: Final answer
    x = 53,828,703.61

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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.