Home / 99,792,009.15-149,688,013.73-70,735,472.48

Finding the Fourth Proportional to 99,792,009.15, 149,688,013.73 and 70,735,472.48

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Solution

The fourth proportional to 99,792,009.15, 149,688,013.73 and 70,735,472.48 is: 106,103,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792,009.15 : 149,688,013.73 = 70,735,472.48 : x
  2. Step 2: Convert to fraction form
    99,792,009.15/149,688,013.73 = 70,735,472.48/x
  3. Step 3: Cross multiply
    99,792,009.15x = 149,688,013.73 × 70,735,472.48
  4. Step 4: Simplify right side
    99,792,009.15x = 10,588,252,374,682,158
  5. Step 5: Solve for x
    x = 10,588,252,374,682,158/99,792,009.15
  6. Step 6: Final answer
    x = 106,103,208.71

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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.