Home / 315,216,005.80-472,824,008.70-170,097,183.40

Finding the Fourth Proportional to 315,216,005.80, 472,824,008.70 and 170,097,183.40

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Solution

The fourth proportional to 315,216,005.80, 472,824,008.70 and 170,097,183.40 is: 255,145,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,216,005.80 : 472,824,008.70 = 170,097,183.40 : x
  2. Step 2: Convert to fraction form
    315,216,005.80/472,824,008.70 = 170,097,183.40/x
  3. Step 3: Cross multiply
    315,216,005.80x = 472,824,008.70 × 170,097,183.40
  4. Step 4: Simplify right side
    315,216,005.80x = 80,426,032,123,767,104
  5. Step 5: Solve for x
    x = 80,426,032,123,767,104/315,216,005.80
  6. Step 6: Final answer
    x = 255,145,775.10

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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.