Home / 91,426,998.48-126,162,707.40-52,270,425.60

Finding the Fourth Proportional to 91,426,998.48, 126,162,707.40 and 52,270,425.60

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Solution

The fourth proportional to 91,426,998.48, 126,162,707.40 and 52,270,425.60 is: 72,129,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426,998.48 : 126,162,707.40 = 52,270,425.60 : x
  2. Step 2: Convert to fraction form
    91,426,998.48/126,162,707.40 = 52,270,425.60/x
  3. Step 3: Cross multiply
    91,426,998.48x = 126,162,707.40 × 52,270,425.60
  4. Step 4: Simplify right side
    91,426,998.48x = 6,594,578,410,646,270
  5. Step 5: Solve for x
    x = 6,594,578,410,646,270/91,426,998.48
  6. Step 6: Final answer
    x = 72,129,442.29

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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.