Home / 308,009,418.24-425,052,875.52-170,654,154.24

Finding the Fourth Proportional to 308,009,418.24, 425,052,875.52 and 170,654,154.24

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Solution

The fourth proportional to 308,009,418.24, 425,052,875.52 and 170,654,154.24 is: 235,502,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,009,418.24 : 425,052,875.52 = 170,654,154.24 : x
  2. Step 2: Convert to fraction form
    308,009,418.24/425,052,875.52 = 170,654,154.24/x
  3. Step 3: Cross multiply
    308,009,418.24x = 425,052,875.52 × 170,654,154.24
  4. Step 4: Simplify right side
    308,009,418.24x = 72,537,038,979,145,600
  5. Step 5: Solve for x
    x = 72,537,038,979,145,600/308,009,418.24
  6. Step 6: Final answer
    x = 235,502,665.45

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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.