Home / 55,869,943.88-83,780,484.79-28,186,829.54

Finding the Fourth Proportional to 55,869,943.88, 83,780,484.79 and 28,186,829.54

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Solution

The fourth proportional to 55,869,943.88, 83,780,484.79 and 28,186,829.54 is: 42,267,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869,943.88 : 83,780,484.79 = 28,186,829.54 : x
  2. Step 2: Convert to fraction form
    55,869,943.88/83,780,484.79 = 28,186,829.54/x
  3. Step 3: Cross multiply
    55,869,943.88x = 83,780,484.79 × 28,186,829.54
  4. Step 4: Simplify right side
    55,869,943.88x = 2,361,506,243,554,293
  5. Step 5: Solve for x
    x = 2,361,506,243,554,293/55,869,943.88
  6. Step 6: Final answer
    x = 42,267,918.66

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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.