Home / 136,196,322-187,955,461.08-74,320,055.76

Finding the Fourth Proportional to 136,196,322, 187,955,461.08 and 74,320,055.76

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Solution

The fourth proportional to 136,196,322, 187,955,461.08 and 74,320,055.76 is: 102,564,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196,322 : 187,955,461.08 = 74,320,055.76 : x
  2. Step 2: Convert to fraction form
    136,196,322/187,955,461.08 = 74,320,055.76/x
  3. Step 3: Cross multiply
    136,196,322x = 187,955,461.08 × 74,320,055.76
  4. Step 4: Simplify right side
    136,196,322x = 13,968,860,347,862,112
  5. Step 5: Solve for x
    x = 13,968,860,347,862,112/136,196,322
  6. Step 6: Final answer
    x = 102,564,152.56

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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.