Home / 55,356,040.80-83,034,061.20-49,403,901.60

Finding the Fourth Proportional to 55,356,040.80, 83,034,061.20 and 49,403,901.60

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Solution

The fourth proportional to 55,356,040.80, 83,034,061.20 and 49,403,901.60 is: 74,105,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,356,040.80 : 83,034,061.20 = 49,403,901.60 : x
  2. Step 2: Convert to fraction form
    55,356,040.80/83,034,061.20 = 49,403,901.60/x
  3. Step 3: Cross multiply
    55,356,040.80x = 83,034,061.20 × 49,403,901.60
  4. Step 4: Simplify right side
    55,356,040.80x = 4,102,206,588,973,178
  5. Step 5: Solve for x
    x = 4,102,206,588,973,178/55,356,040.80
  6. Step 6: Final answer
    x = 74,105,852.40

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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.