Home / 56,023,115.67-77,311,970.24-30,904,657.02

Finding the Fourth Proportional to 56,023,115.67, 77,311,970.24 and 30,904,657.02

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Solution

The fourth proportional to 56,023,115.67, 77,311,970.24 and 30,904,657.02 is: 42,648,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,023,115.67 : 77,311,970.24 = 30,904,657.02 : x
  2. Step 2: Convert to fraction form
    56,023,115.67/77,311,970.24 = 30,904,657.02/x
  3. Step 3: Cross multiply
    56,023,115.67x = 77,311,970.24 × 30,904,657.02
  4. Step 4: Simplify right side
    56,023,115.67x = 2,389,299,923,653,123.50
  5. Step 5: Solve for x
    x = 2,389,299,923,653,123.50/56,023,115.67
  6. Step 6: Final answer
    x = 42,648,465.64

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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.