Home / 228,106,158.75-314,792,688.69-129,001,726.13

Finding the Fourth Proportional to 228,106,158.75, 314,792,688.69 and 129,001,726.13

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Solution

The fourth proportional to 228,106,158.75, 314,792,688.69 and 129,001,726.13 is: 178,025,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,106,158.75 : 314,792,688.69 = 129,001,726.13 : x
  2. Step 2: Convert to fraction form
    228,106,158.75/314,792,688.69 = 129,001,726.13/x
  3. Step 3: Cross multiply
    228,106,158.75x = 314,792,688.69 × 129,001,726.13
  4. Step 4: Simplify right side
    228,106,158.75x = 40,608,800,212,539,768
  5. Step 5: Solve for x
    x = 40,608,800,212,539,768/228,106,158.75
  6. Step 6: Final answer
    x = 178,025,882.49

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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.