Home / 287,301,792.34-431,013,213.30-93,198,051.46

Finding the Fourth Proportional to 287,301,792.34, 431,013,213.30 and 93,198,051.46

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Solution

The fourth proportional to 287,301,792.34, 431,013,213.30 and 93,198,051.46 is: 139,816,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301,792.34 : 431,013,213.30 = 93,198,051.46 : x
  2. Step 2: Convert to fraction form
    287,301,792.34/431,013,213.30 = 93,198,051.46/x
  3. Step 3: Cross multiply
    287,301,792.34x = 431,013,213.30 × 93,198,051.46
  4. Step 4: Simplify right side
    287,301,792.34x = 40,169,591,633,073,352
  5. Step 5: Solve for x
    x = 40,169,591,633,073,352/287,301,792.34
  6. Step 6: Final answer
    x = 139,816,710.87

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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.