Home / 101,148,421.10-139,584,765-57,095,800.38

Finding the Fourth Proportional to 101,148,421.10, 139,584,765 and 57,095,800.38

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Solution

The fourth proportional to 101,148,421.10, 139,584,765 and 57,095,800.38 is: 78,792,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,148,421.10 : 139,584,765 = 57,095,800.38 : x
  2. Step 2: Convert to fraction form
    101,148,421.10/139,584,765 = 57,095,800.38/x
  3. Step 3: Cross multiply
    101,148,421.10x = 139,584,765 × 57,095,800.38
  4. Step 4: Simplify right side
    101,148,421.10x = 7,969,703,878,529,211
  5. Step 5: Solve for x
    x = 7,969,703,878,529,211/101,148,421.10
  6. Step 6: Final answer
    x = 78,792,172.85

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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.