Home / 55,594,475.38-83,402,189.88-21,061,220.50

Finding the Fourth Proportional to 55,594,475.38, 83,402,189.88 and 21,061,220.50

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Solution

The fourth proportional to 55,594,475.38, 83,402,189.88 and 21,061,220.50 is: 31,595,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594,475.38 : 83,402,189.88 = 21,061,220.50 : x
  2. Step 2: Convert to fraction form
    55,594,475.38/83,402,189.88 = 21,061,220.50/x
  3. Step 3: Cross multiply
    55,594,475.38x = 83,402,189.88 × 21,061,220.50
  4. Step 4: Simplify right side
    55,594,475.38x = 1,756,551,911,245,548.50
  5. Step 5: Solve for x
    x = 1,756,551,911,245,548.50/55,594,475.38
  6. Step 6: Final answer
    x = 31,595,799.75

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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.