Home / 317,320,203.78-437,902,725.24-176,191,686.72

Finding the Fourth Proportional to 317,320,203.78, 437,902,725.24 and 176,191,686.72

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Solution

The fourth proportional to 317,320,203.78, 437,902,725.24 and 176,191,686.72 is: 243,144,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,320,203.78 : 437,902,725.24 = 176,191,686.72 : x
  2. Step 2: Convert to fraction form
    317,320,203.78/437,902,725.24 = 176,191,686.72/x
  3. Step 3: Cross multiply
    317,320,203.78x = 437,902,725.24 × 176,191,686.72
  4. Step 4: Simplify right side
    317,320,203.78x = 77,154,819,779,320,320
  5. Step 5: Solve for x
    x = 77,154,819,779,320,320/317,320,203.78
  6. Step 6: Final answer
    x = 243,144,996.32

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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.