Home / 103,314,394.12-142,573,859.46-56,904,649.32

Finding the Fourth Proportional to 103,314,394.12, 142,573,859.46 and 56,904,649.32

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Solution

The fourth proportional to 103,314,394.12, 142,573,859.46 and 56,904,649.32 is: 78,528,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,314,394.12 : 142,573,859.46 = 56,904,649.32 : x
  2. Step 2: Convert to fraction form
    103,314,394.12/142,573,859.46 = 56,904,649.32/x
  3. Step 3: Cross multiply
    103,314,394.12x = 142,573,859.46 × 56,904,649.32
  4. Step 4: Simplify right side
    103,314,394.12x = 8,113,115,474,770,265
  5. Step 5: Solve for x
    x = 8,113,115,474,770,265/103,314,394.12
  6. Step 6: Final answer
    x = 78,528,413.62

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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.