Home / 64,717,828.21-97,077,105.22-21,586,913.18

Finding the Fourth Proportional to 64,717,828.21, 97,077,105.22 and 21,586,913.18

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Solution

The fourth proportional to 64,717,828.21, 97,077,105.22 and 21,586,913.18 is: 32,380,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717,828.21 : 97,077,105.22 = 21,586,913.18 : x
  2. Step 2: Convert to fraction form
    64,717,828.21/97,077,105.22 = 21,586,913.18/x
  3. Step 3: Cross multiply
    64,717,828.21x = 97,077,105.22 × 21,586,913.18
  4. Step 4: Simplify right side
    64,717,828.21x = 2,095,595,041,556,544.75
  5. Step 5: Solve for x
    x = 2,095,595,041,556,544.75/64,717,828.21
  6. Step 6: Final answer
    x = 32,380,490.81

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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.