Home / 357,345,904.80-536,018,857.20-115,008,808.80

Finding the Fourth Proportional to 357,345,904.80, 536,018,857.20 and 115,008,808.80

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Solution

The fourth proportional to 357,345,904.80, 536,018,857.20 and 115,008,808.80 is: 172,513,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,345,904.80 : 536,018,857.20 = 115,008,808.80 : x
  2. Step 2: Convert to fraction form
    357,345,904.80/536,018,857.20 = 115,008,808.80/x
  3. Step 3: Cross multiply
    357,345,904.80x = 536,018,857.20 × 115,008,808.80
  4. Step 4: Simplify right side
    357,345,904.80x = 61,646,890,260,909,304
  5. Step 5: Solve for x
    x = 61,646,890,260,909,304/357,345,904.80
  6. Step 6: Final answer
    x = 172,513,213.20

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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.