Home / 84,988,306.80-127,387,981.80-46,677,315.60

Finding the Fourth Proportional to 84,988,306.80, 127,387,981.80 and 46,677,315.60

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Solution

The fourth proportional to 84,988,306.80, 127,387,981.80 and 46,677,315.60 is: 69,964,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,988,306.80 : 127,387,981.80 = 46,677,315.60 : x
  2. Step 2: Convert to fraction form
    84,988,306.80/127,387,981.80 = 46,677,315.60/x
  3. Step 3: Cross multiply
    84,988,306.80x = 127,387,981.80 × 46,677,315.60
  4. Step 4: Simplify right side
    84,988,306.80x = 5,946,129,030,125,656
  5. Step 5: Solve for x
    x = 5,946,129,030,125,656/84,988,306.80
  6. Step 6: Final answer
    x = 69,964,083.93

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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.