Home / 158,526,021.60-237,789,032.40-72,432,579.60

Finding the Fourth Proportional to 158,526,021.60, 237,789,032.40 and 72,432,579.60

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Solution

The fourth proportional to 158,526,021.60, 237,789,032.40 and 72,432,579.60 is: 108,648,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,526,021.60 : 237,789,032.40 = 72,432,579.60 : x
  2. Step 2: Convert to fraction form
    158,526,021.60/237,789,032.40 = 72,432,579.60/x
  3. Step 3: Cross multiply
    158,526,021.60x = 237,789,032.40 × 72,432,579.60
  4. Step 4: Simplify right side
    158,526,021.60x = 17,223,673,017,319,978
  5. Step 5: Solve for x
    x = 17,223,673,017,319,978/158,526,021.60
  6. Step 6: Final answer
    x = 108,648,869.40

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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.