Home / 320,715,983.98-442,588,068.39-174,038,267.98

Finding the Fourth Proportional to 320,715,983.98, 442,588,068.39 and 174,038,267.98

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Solution

The fourth proportional to 320,715,983.98, 442,588,068.39 and 174,038,267.98 is: 240,172,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,715,983.98 : 442,588,068.39 = 174,038,267.98 : x
  2. Step 2: Convert to fraction form
    320,715,983.98/442,588,068.39 = 174,038,267.98/x
  3. Step 3: Cross multiply
    320,715,983.98x = 442,588,068.39 × 174,038,267.98
  4. Step 4: Simplify right side
    320,715,983.98x = 77,027,260,851,209,376
  5. Step 5: Solve for x
    x = 77,027,260,851,209,376/320,715,983.98
  6. Step 6: Final answer
    x = 240,172,815.51

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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.