Home / 210,016,715.04-289,804,156.56-131,675,225.76

Finding the Fourth Proportional to 210,016,715.04, 289,804,156.56 and 131,675,225.76

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Solution

The fourth proportional to 210,016,715.04, 289,804,156.56 and 131,675,225.76 is: 181,699,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,016,715.04 : 289,804,156.56 = 131,675,225.76 : x
  2. Step 2: Convert to fraction form
    210,016,715.04/289,804,156.56 = 131,675,225.76/x
  3. Step 3: Cross multiply
    210,016,715.04x = 289,804,156.56 × 131,675,225.76
  4. Step 4: Simplify right side
    210,016,715.04x = 38,160,027,741,224,384
  5. Step 5: Solve for x
    x = 38,160,027,741,224,384/210,016,715.04
  6. Step 6: Final answer
    x = 181,699,955.33

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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.