Home / 57,878,852.19-79,762,432.54-56,815,015.25

Finding the Fourth Proportional to 57,878,852.19, 79,762,432.54 and 56,815,015.25

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Solution

The fourth proportional to 57,878,852.19, 79,762,432.54 and 56,815,015.25 is: 78,296,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,878,852.19 : 79,762,432.54 = 56,815,015.25 : x
  2. Step 2: Convert to fraction form
    57,878,852.19/79,762,432.54 = 56,815,015.25/x
  3. Step 3: Cross multiply
    57,878,852.19x = 79,762,432.54 × 56,815,015.25
  4. Step 4: Simplify right side
    57,878,852.19x = 4,531,703,821,152,563
  5. Step 5: Solve for x
    x = 4,531,703,821,152,563/57,878,852.19
  6. Step 6: Final answer
    x = 78,296,366.46

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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.