Home / 220,779,489.54-304,677,739.34-121,663,783.96

Finding the Fourth Proportional to 220,779,489.54, 304,677,739.34 and 121,663,783.96

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Solution

The fourth proportional to 220,779,489.54, 304,677,739.34 and 121,663,783.96 is: 167,897,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,779,489.54 : 304,677,739.34 = 121,663,783.96 : x
  2. Step 2: Convert to fraction form
    220,779,489.54/304,677,739.34 = 121,663,783.96/x
  3. Step 3: Cross multiply
    220,779,489.54x = 304,677,739.34 × 121,663,783.96
  4. Step 4: Simplify right side
    220,779,489.54x = 37,068,246,655,570,400
  5. Step 5: Solve for x
    x = 37,068,246,655,570,400/220,779,489.54
  6. Step 6: Final answer
    x = 167,897,148.11

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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.