Home / 161,884,900.16-242,707,677.48-84,050,051.36

Finding the Fourth Proportional to 161,884,900.16, 242,707,677.48 and 84,050,051.36

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Solution

The fourth proportional to 161,884,900.16, 242,707,677.48 and 84,050,051.36 is: 126,012,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884,900.16 : 242,707,677.48 = 84,050,051.36 : x
  2. Step 2: Convert to fraction form
    161,884,900.16/242,707,677.48 = 84,050,051.36/x
  3. Step 3: Cross multiply
    161,884,900.16x = 242,707,677.48 × 84,050,051.36
  4. Step 4: Simplify right side
    161,884,900.16x = 20,399,592,757,660,316
  5. Step 5: Solve for x
    x = 20,399,592,757,660,316/161,884,900.16
  6. Step 6: Final answer
    x = 126,012,943.38

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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.