Home / 56,769,179.37-78,341,498.88-30,663,697.17

Finding the Fourth Proportional to 56,769,179.37, 78,341,498.88 and 30,663,697.17

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Solution

The fourth proportional to 56,769,179.37, 78,341,498.88 and 30,663,697.17 is: 42,315,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769,179.37 : 78,341,498.88 = 30,663,697.17 : x
  2. Step 2: Convert to fraction form
    56,769,179.37/78,341,498.88 = 30,663,697.17/x
  3. Step 3: Cross multiply
    56,769,179.37x = 78,341,498.88 × 30,663,697.17
  4. Step 4: Simplify right side
    56,769,179.37x = 2,402,239,997,500,214
  5. Step 5: Solve for x
    x = 2,402,239,997,500,214/56,769,179.37
  6. Step 6: Final answer
    x = 42,315,919.03

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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.