Home / 72,817,814.40-109,226,721.60-44,049,141.60

Finding the Fourth Proportional to 72,817,814.40, 109,226,721.60 and 44,049,141.60

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Solution

The fourth proportional to 72,817,814.40, 109,226,721.60 and 44,049,141.60 is: 66,073,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817,814.40 : 109,226,721.60 = 44,049,141.60 : x
  2. Step 2: Convert to fraction form
    72,817,814.40/109,226,721.60 = 44,049,141.60/x
  3. Step 3: Cross multiply
    72,817,814.40x = 109,226,721.60 × 44,049,141.60
  4. Step 4: Simplify right side
    72,817,814.40x = 4,811,343,326,262,178
  5. Step 5: Solve for x
    x = 4,811,343,326,262,178/72,817,814.40
  6. Step 6: Final answer
    x = 66,073,712.40

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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.