Home / 114,921,985.92-172,351,084.32-31,904,666.88

Finding the Fourth Proportional to 114,921,985.92, 172,351,084.32 and 31,904,666.88

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Solution

The fourth proportional to 114,921,985.92, 172,351,084.32 and 31,904,666.88 is: 47,848,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,921,985.92 : 172,351,084.32 = 31,904,666.88 : x
  2. Step 2: Convert to fraction form
    114,921,985.92/172,351,084.32 = 31,904,666.88/x
  3. Step 3: Cross multiply
    114,921,985.92x = 172,351,084.32 × 31,904,666.88
  4. Step 4: Simplify right side
    114,921,985.92x = 5,498,803,931,636,391
  5. Step 5: Solve for x
    x = 5,498,803,931,636,391/114,921,985.92
  6. Step 6: Final answer
    x = 47,848,145.75

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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.