Home / 205,605,988.29-308,378,646.01-60,000,454.51

Finding the Fourth Proportional to 205,605,988.29, 308,378,646.01 and 60,000,454.51

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Solution

The fourth proportional to 205,605,988.29, 308,378,646.01 and 60,000,454.51 is: 89,991,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,605,988.29 : 308,378,646.01 = 60,000,454.51 : x
  2. Step 2: Convert to fraction form
    205,605,988.29/308,378,646.01 = 60,000,454.51/x
  3. Step 3: Cross multiply
    205,605,988.29x = 308,378,646.01 × 60,000,454.51
  4. Step 4: Simplify right side
    205,605,988.29x = 18,502,858,920,857,448
  5. Step 5: Solve for x
    x = 18,502,858,920,857,448/205,605,988.29
  6. Step 6: Final answer
    x = 89,991,828.91

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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.