Home / 161,884,900.66-242,707,678.23-84,050,051.86

Finding the Fourth Proportional to 161,884,900.66, 242,707,678.23 and 84,050,051.86

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Solution

The fourth proportional to 161,884,900.66, 242,707,678.23 and 84,050,051.86 is: 126,012,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884,900.66 : 242,707,678.23 = 84,050,051.86 : x
  2. Step 2: Convert to fraction form
    161,884,900.66/242,707,678.23 = 84,050,051.86/x
  3. Step 3: Cross multiply
    161,884,900.66x = 242,707,678.23 × 84,050,051.86
  4. Step 4: Simplify right side
    161,884,900.66x = 20,399,592,942,051,692
  5. Step 5: Solve for x
    x = 20,399,592,942,051,692/161,884,900.66
  6. Step 6: Final answer
    x = 126,012,944.13

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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.