Home / 253,631,161.72-380,326,829.36-98,257,758.76

Finding the Fourth Proportional to 253,631,161.72, 380,326,829.36 and 98,257,758.76

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Solution

The fourth proportional to 253,631,161.72, 380,326,829.36 and 98,257,758.76 is: 147,340,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,631,161.72 : 380,326,829.36 = 98,257,758.76 : x
  2. Step 2: Convert to fraction form
    253,631,161.72/380,326,829.36 = 98,257,758.76/x
  3. Step 3: Cross multiply
    253,631,161.72x = 380,326,829.36 × 98,257,758.76
  4. Step 4: Simplify right side
    253,631,161.72x = 37,370,061,849,194,688
  5. Step 5: Solve for x
    x = 37,370,061,849,194,688/253,631,161.72
  6. Step 6: Final answer
    x = 147,340,183.26

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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.