Home / 257,089,188.84-354,781,983.60-139,613,696.52

Finding the Fourth Proportional to 257,089,188.84, 354,781,983.60 and 139,613,696.52

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Solution

The fourth proportional to 257,089,188.84, 354,781,983.60 and 139,613,696.52 is: 192,666,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,089,188.84 : 354,781,983.60 = 139,613,696.52 : x
  2. Step 2: Convert to fraction form
    257,089,188.84/354,781,983.60 = 139,613,696.52/x
  3. Step 3: Cross multiply
    257,089,188.84x = 354,781,983.60 × 139,613,696.52
  4. Step 4: Simplify right side
    257,089,188.84x = 49,532,424,189,094,024
  5. Step 5: Solve for x
    x = 49,532,424,189,094,024/257,089,188.84
  6. Step 6: Final answer
    x = 192,666,305.47

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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.