Home / 126,607,678.44-189,884,943.18-35,710,009.80

Finding the Fourth Proportional to 126,607,678.44, 189,884,943.18 and 35,710,009.80

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Solution

The fourth proportional to 126,607,678.44, 189,884,943.18 and 35,710,009.80 is: 53,557,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607,678.44 : 189,884,943.18 = 35,710,009.80 : x
  2. Step 2: Convert to fraction form
    126,607,678.44/189,884,943.18 = 35,710,009.80/x
  3. Step 3: Cross multiply
    126,607,678.44x = 189,884,943.18 × 35,710,009.80
  4. Step 4: Simplify right side
    126,607,678.44x = 6,780,793,181,830,243
  5. Step 5: Solve for x
    x = 6,780,793,181,830,243/126,607,678.44
  6. Step 6: Final answer
    x = 53,557,519.30

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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.