Home / 354,271,258.76-531,444,666.54-149,820,001.16

Finding the Fourth Proportional to 354,271,258.76, 531,444,666.54 and 149,820,001.16

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Solution

The fourth proportional to 354,271,258.76, 531,444,666.54 and 149,820,001.16 is: 224,745,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,271,258.76 : 531,444,666.54 = 149,820,001.16 : x
  2. Step 2: Convert to fraction form
    354,271,258.76/531,444,666.54 = 149,820,001.16/x
  3. Step 3: Cross multiply
    354,271,258.76x = 531,444,666.54 × 149,820,001.16
  4. Step 4: Simplify right side
    354,271,258.76x = 79,621,040,557,498,608
  5. Step 5: Solve for x
    x = 79,621,040,557,498,608/354,271,258.76
  6. Step 6: Final answer
    x = 224,745,978.09

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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.