Home / 72,766,278.08-109,091,840.16-27,323,011.52

Finding the Fourth Proportional to 72,766,278.08, 109,091,840.16 and 27,323,011.52

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Solution

The fourth proportional to 72,766,278.08, 109,091,840.16 and 27,323,011.52 is: 40,962,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,766,278.08 : 109,091,840.16 = 27,323,011.52 : x
  2. Step 2: Convert to fraction form
    72,766,278.08/109,091,840.16 = 27,323,011.52/x
  3. Step 3: Cross multiply
    72,766,278.08x = 109,091,840.16 × 27,323,011.52
  4. Step 4: Simplify right side
    72,766,278.08x = 2,980,717,605,429,678.50
  5. Step 5: Solve for x
    x = 2,980,717,605,429,678.50/72,766,278.08
  6. Step 6: Final answer
    x = 40,962,897.71

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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.