Home / 118,160,569.89-163,061,812.09-65,237,379.92

Finding the Fourth Proportional to 118,160,569.89, 163,061,812.09 and 65,237,379.92

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Solution

The fourth proportional to 118,160,569.89, 163,061,812.09 and 65,237,379.92 is: 90,027,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,160,569.89 : 163,061,812.09 = 65,237,379.92 : x
  2. Step 2: Convert to fraction form
    118,160,569.89/163,061,812.09 = 65,237,379.92/x
  3. Step 3: Cross multiply
    118,160,569.89x = 163,061,812.09 × 65,237,379.92
  4. Step 4: Simplify right side
    118,160,569.89x = 10,637,725,385,636,700
  5. Step 5: Solve for x
    x = 10,637,725,385,636,700/118,160,569.89
  6. Step 6: Final answer
    x = 90,027,708.87

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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.