Home / 65,484,155.85-98,209,478.93-19,415,252.36

Finding the Fourth Proportional to 65,484,155.85, 98,209,478.93 and 19,415,252.36

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Solution

The fourth proportional to 65,484,155.85, 98,209,478.93 and 19,415,252.36 is: 29,117,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,484,155.85 : 98,209,478.93 = 19,415,252.36 : x
  2. Step 2: Convert to fraction form
    65,484,155.85/98,209,478.93 = 19,415,252.36/x
  3. Step 3: Cross multiply
    65,484,155.85x = 98,209,478.93 × 19,415,252.36
  4. Step 4: Simplify right side
    65,484,155.85x = 1,906,761,816,981,929
  5. Step 5: Solve for x
    x = 1,906,761,816,981,929/65,484,155.85
  6. Step 6: Final answer
    x = 29,117,910.92

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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.