Home / 208,573,300.60-312,897,275.70-87,416,999.80

Finding the Fourth Proportional to 208,573,300.60, 312,897,275.70 and 87,416,999.80

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Solution

The fourth proportional to 208,573,300.60, 312,897,275.70 and 87,416,999.80 is: 131,141,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,573,300.60 : 312,897,275.70 = 87,416,999.80 : x
  2. Step 2: Convert to fraction form
    208,573,300.60/312,897,275.70 = 87,416,999.80/x
  3. Step 3: Cross multiply
    208,573,300.60x = 312,897,275.70 × 87,416,999.80
  4. Step 4: Simplify right side
    208,573,300.60x = 27,352,541,087,287,444
  5. Step 5: Solve for x
    x = 27,352,541,087,287,444/208,573,300.60
  6. Step 6: Final answer
    x = 131,141,143.23

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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.