Home / 465,710,010.30-698,565,015.45-138,236,066.10

Finding the Fourth Proportional to 465,710,010.30, 698,565,015.45 and 138,236,066.10

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Solution

The fourth proportional to 465,710,010.30, 698,565,015.45 and 138,236,066.10 is: 207,354,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,710,010.30 : 698,565,015.45 = 138,236,066.10 : x
  2. Step 2: Convert to fraction form
    465,710,010.30/698,565,015.45 = 138,236,066.10/x
  3. Step 3: Cross multiply
    465,710,010.30x = 698,565,015.45 × 138,236,066.10
  4. Step 4: Simplify right side
    465,710,010.30x = 96,566,879,650,893,728
  5. Step 5: Solve for x
    x = 96,566,879,650,893,728/465,710,010.30
  6. Step 6: Final answer
    x = 207,354,099.15

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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.