Home / 55,326,054.10-82,918,222.35-42,482,896.60

Finding the Fourth Proportional to 55,326,054.10, 82,918,222.35 and 42,482,896.60

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Solution

The fourth proportional to 55,326,054.10, 82,918,222.35 and 42,482,896.60 is: 63,669,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326,054.10 : 82,918,222.35 = 42,482,896.60 : x
  2. Step 2: Convert to fraction form
    55,326,054.10/82,918,222.35 = 42,482,896.60/x
  3. Step 3: Cross multiply
    55,326,054.10x = 82,918,222.35 × 42,482,896.60
  4. Step 4: Simplify right side
    55,326,054.10x = 3,522,606,266,350,859
  5. Step 5: Solve for x
    x = 3,522,606,266,350,859/55,326,054.10
  6. Step 6: Final answer
    x = 63,669,934.96

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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.