Home / 216,048,983.04-298,121,195.52-172,107,878.40

Finding the Fourth Proportional to 216,048,983.04, 298,121,195.52 and 172,107,878.40

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Solution

The fourth proportional to 216,048,983.04, 298,121,195.52 and 172,107,878.40 is: 237,487,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,048,983.04 : 298,121,195.52 = 172,107,878.40 : x
  2. Step 2: Convert to fraction form
    216,048,983.04/298,121,195.52 = 172,107,878.40/x
  3. Step 3: Cross multiply
    216,048,983.04x = 298,121,195.52 × 172,107,878.40
  4. Step 4: Simplify right side
    216,048,983.04x = 51,309,006,467,018,784
  5. Step 5: Solve for x
    x = 51,309,006,467,018,784/216,048,983.04
  6. Step 6: Final answer
    x = 237,487,840.70

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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.