Home / 257,635,779.60-355,529,275.20-140,158,100.28

Finding the Fourth Proportional to 257,635,779.60, 355,529,275.20 and 140,158,100.28

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Solution

The fourth proportional to 257,635,779.60, 355,529,275.20 and 140,158,100.28 is: 193,413,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,635,779.60 : 355,529,275.20 = 140,158,100.28 : x
  2. Step 2: Convert to fraction form
    257,635,779.60/355,529,275.20 = 140,158,100.28/x
  3. Step 3: Cross multiply
    257,635,779.60x = 355,529,275.20 × 140,158,100.28
  4. Step 4: Simplify right side
    257,635,779.60x = 49,830,307,805,957,312
  5. Step 5: Solve for x
    x = 49,830,307,805,957,312/257,635,779.60
  6. Step 6: Final answer
    x = 193,413,771.50

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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.