Home / 355,869,641.30-533,884,954.54-192,103,883.06

Finding the Fourth Proportional to 355,869,641.30, 533,884,954.54 and 192,103,883.06

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Solution

The fourth proportional to 355,869,641.30, 533,884,954.54 and 192,103,883.06 is: 288,199,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,869,641.30 : 533,884,954.54 = 192,103,883.06 : x
  2. Step 2: Convert to fraction form
    355,869,641.30/533,884,954.54 = 192,103,883.06/x
  3. Step 3: Cross multiply
    355,869,641.30x = 533,884,954.54 × 192,103,883.06
  4. Step 4: Simplify right side
    355,869,641.30x = 102,561,372,874,445,584
  5. Step 5: Solve for x
    x = 102,561,372,874,445,584/355,869,641.30
  6. Step 6: Final answer
    x = 288,199,275.72

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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.