Home / 112,981,903.08-155,910,434.82-64,088,281.32

Finding the Fourth Proportional to 112,981,903.08, 155,910,434.82 and 64,088,281.32

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Solution

The fourth proportional to 112,981,903.08, 155,910,434.82 and 64,088,281.32 is: 88,439,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,981,903.08 : 155,910,434.82 = 64,088,281.32 : x
  2. Step 2: Convert to fraction form
    112,981,903.08/155,910,434.82 = 64,088,281.32/x
  3. Step 3: Cross multiply
    112,981,903.08x = 155,910,434.82 × 64,088,281.32
  4. Step 4: Simplify right side
    112,981,903.08x = 9,992,031,807,467,684
  5. Step 5: Solve for x
    x = 9,992,031,807,467,684/112,981,903.08
  6. Step 6: Final answer
    x = 88,439,223.76

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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.