Home / 210,793,768.47-290,895,357.92-117,974,266.29

Finding the Fourth Proportional to 210,793,768.47, 290,895,357.92 and 117,974,266.29

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Solution

The fourth proportional to 210,793,768.47, 290,895,357.92 and 117,974,266.29 is: 162,804,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,793,768.47 : 290,895,357.92 = 117,974,266.29 : x
  2. Step 2: Convert to fraction form
    210,793,768.47/290,895,357.92 = 117,974,266.29/x
  3. Step 3: Cross multiply
    210,793,768.47x = 290,895,357.92 × 117,974,266.29
  4. Step 4: Simplify right side
    210,793,768.47x = 34,318,166,417,189,072
  5. Step 5: Solve for x
    x = 34,318,166,417,189,072/210,793,768.47
  6. Step 6: Final answer
    x = 162,804,463.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.