Home / 220,208,472.10-303,907,054.95-121,106,683

Finding the Fourth Proportional to 220,208,472.10, 303,907,054.95 and 121,106,683

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Solution

The fourth proportional to 220,208,472.10, 303,907,054.95 and 121,106,683 is: 167,137,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,208,472.10 : 303,907,054.95 = 121,106,683 : x
  2. Step 2: Convert to fraction form
    220,208,472.10/303,907,054.95 = 121,106,683/x
  3. Step 3: Cross multiply
    220,208,472.10x = 303,907,054.95 × 121,106,683
  4. Step 4: Simplify right side
    220,208,472.10x = 36,805,175,365,293,232
  5. Step 5: Solve for x
    x = 36,805,175,365,293,232/220,208,472.10
  6. Step 6: Final answer
    x = 167,137,871.74

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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.