Home / 210,219,572.16-290,060,935.20-117,385,796.16

Finding the Fourth Proportional to 210,219,572.16, 290,060,935.20 and 117,385,796.16

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Solution

The fourth proportional to 210,219,572.16, 290,060,935.20 and 117,385,796.16 is: 161,968,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,219,572.16 : 290,060,935.20 = 117,385,796.16 : x
  2. Step 2: Convert to fraction form
    210,219,572.16/290,060,935.20 = 117,385,796.16/x
  3. Step 3: Cross multiply
    210,219,572.16x = 290,060,935.20 × 117,385,796.16
  4. Step 4: Simplify right side
    210,219,572.16x = 34,049,033,813,366,168
  5. Step 5: Solve for x
    x = 34,049,033,813,366,168/210,219,572.16
  6. Step 6: Final answer
    x = 161,968,904.53

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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.