Home / 48,438,195.40-72,758,381.10-40,879,923.40

Finding the Fourth Proportional to 48,438,195.40, 72,758,381.10 and 40,879,923.40

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Solution

The fourth proportional to 48,438,195.40, 72,758,381.10 and 40,879,923.40 is: 61,405,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438,195.40 : 72,758,381.10 = 40,879,923.40 : x
  2. Step 2: Convert to fraction form
    48,438,195.40/72,758,381.10 = 40,879,923.40/x
  3. Step 3: Cross multiply
    48,438,195.40x = 72,758,381.10 × 40,879,923.40
  4. Step 4: Simplify right side
    48,438,195.40x = 2,974,357,046,076,007.50
  5. Step 5: Solve for x
    x = 2,974,357,046,076,007.50/48,438,195.40
  6. Step 6: Final answer
    x = 61,405,199.38

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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.