Home / 79,921,853.61-110,292,156.64-43,252,424.61

Finding the Fourth Proportional to 79,921,853.61, 110,292,156.64 and 43,252,424.61

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Solution

The fourth proportional to 79,921,853.61, 110,292,156.64 and 43,252,424.61 is: 59,688,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921,853.61 : 110,292,156.64 = 43,252,424.61 : x
  2. Step 2: Convert to fraction form
    79,921,853.61/110,292,156.64 = 43,252,424.61/x
  3. Step 3: Cross multiply
    79,921,853.61x = 110,292,156.64 × 43,252,424.61
  4. Step 4: Simplify right side
    79,921,853.61x = 4,770,403,190,145,911
  5. Step 5: Solve for x
    x = 4,770,403,190,145,911/79,921,853.61
  6. Step 6: Final answer
    x = 59,688,345.24

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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.