Home / 48,390,671.80-72,586,007.70-31,171,983.40

Finding the Fourth Proportional to 48,390,671.80, 72,586,007.70 and 31,171,983.40

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Solution

The fourth proportional to 48,390,671.80, 72,586,007.70 and 31,171,983.40 is: 46,757,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,390,671.80 : 72,586,007.70 = 31,171,983.40 : x
  2. Step 2: Convert to fraction form
    48,390,671.80/72,586,007.70 = 31,171,983.40/x
  3. Step 3: Cross multiply
    48,390,671.80x = 72,586,007.70 × 31,171,983.40
  4. Step 4: Simplify right side
    48,390,671.80x = 2,262,649,827,096,672
  5. Step 5: Solve for x
    x = 2,262,649,827,096,672/48,390,671.80
  6. Step 6: Final answer
    x = 46,757,975.10

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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.