Home / 134,464,435.78-185,556,022.47-74,922,655.47

Finding the Fourth Proportional to 134,464,435.78, 185,556,022.47 and 74,922,655.47

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Solution

The fourth proportional to 134,464,435.78, 185,556,022.47 and 74,922,655.47 is: 103,390,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,464,435.78 : 185,556,022.47 = 74,922,655.47 : x
  2. Step 2: Convert to fraction form
    134,464,435.78/185,556,022.47 = 74,922,655.47/x
  3. Step 3: Cross multiply
    134,464,435.78x = 185,556,022.47 × 74,922,655.47
  4. Step 4: Simplify right side
    134,464,435.78x = 13,902,349,941,903,388
  5. Step 5: Solve for x
    x = 13,902,349,941,903,388/134,464,435.78
  6. Step 6: Final answer
    x = 103,390,534.91

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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.