Home / 210,202,005.42-290,073,145.10-116,114,127.41

Finding the Fourth Proportional to 210,202,005.42, 290,073,145.10 and 116,114,127.41

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Solution

The fourth proportional to 210,202,005.42, 290,073,145.10 and 116,114,127.41 is: 160,234,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,202,005.42 : 290,073,145.10 = 116,114,127.41 : x
  2. Step 2: Convert to fraction form
    210,202,005.42/290,073,145.10 = 116,114,127.41/x
  3. Step 3: Cross multiply
    210,202,005.42x = 290,073,145.10 × 116,114,127.41
  4. Step 4: Simplify right side
    210,202,005.42x = 33,681,590,128,505,432
  5. Step 5: Solve for x
    x = 33,681,590,128,505,432/210,202,005.42
  6. Step 6: Final answer
    x = 160,234,390.06

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1.5x scale

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.