Home / 162,406,965,999.24-243,610,114,037.67-91,629,547,243.56

Finding the Fourth Proportional to 162,406,965,999.24, 243,610,114,037.67 and 91,629,547,243.56

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Solution

The fourth proportional to 162,406,965,999.24, 243,610,114,037.67 and 91,629,547,243.56 is: 137,444,131,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,406,965,999.24 : 243,610,114,037.67 = 91,629,547,243.56 : x
  2. Step 2: Convert to fraction form
    162,406,965,999.24/243,610,114,037.67 = 91,629,547,243.56/x
  3. Step 3: Cross multiply
    162,406,965,999.24x = 243,610,114,037.67 × 91,629,547,243.56
  4. Step 4: Simplify right side
    162,406,965,999.24x = 22,321,884,453,223,721,336,832
  5. Step 5: Solve for x
    x = 22,321,884,453,223,721,336,832/162,406,965,999.24
  6. Step 6: Final answer
    x = 137,444,131,881.19

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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.