Home / 56,009,920.80-84,014,881.20-52,608,698.40

Finding the Fourth Proportional to 56,009,920.80, 84,014,881.20 and 52,608,698.40

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Solution

The fourth proportional to 56,009,920.80, 84,014,881.20 and 52,608,698.40 is: 78,913,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009,920.80 : 84,014,881.20 = 52,608,698.40 : x
  2. Step 2: Convert to fraction form
    56,009,920.80/84,014,881.20 = 52,608,698.40/x
  3. Step 3: Cross multiply
    56,009,920.80x = 84,014,881.20 × 52,608,698.40
  4. Step 4: Simplify right side
    56,009,920.80x = 4,419,913,546,162,630
  5. Step 5: Solve for x
    x = 4,419,913,546,162,630/56,009,920.80
  6. Step 6: Final answer
    x = 78,913,047.60

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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.