Home / 127,429,980.60-191,185,444.98-53,692,738.68

Finding the Fourth Proportional to 127,429,980.60, 191,185,444.98 and 53,692,738.68

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Solution

The fourth proportional to 127,429,980.60, 191,185,444.98 and 53,692,738.68 is: 80,556,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429,980.60 : 191,185,444.98 = 53,692,738.68 : x
  2. Step 2: Convert to fraction form
    127,429,980.60/191,185,444.98 = 53,692,738.68/x
  3. Step 3: Cross multiply
    127,429,980.60x = 191,185,444.98 × 53,692,738.68
  4. Step 4: Simplify right side
    127,429,980.60x = 10,265,270,136,730,658
  5. Step 5: Solve for x
    x = 10,265,270,136,730,658/127,429,980.60
  6. Step 6: Final answer
    x = 80,556,161.81

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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.