Home / 152,388,824.32-210,314,023.23-85,425,868.48

Finding the Fourth Proportional to 152,388,824.32, 210,314,023.23 and 85,425,868.48

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Solution

The fourth proportional to 152,388,824.32, 210,314,023.23 and 85,425,868.48 is: 117,897,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,388,824.32 : 210,314,023.23 = 85,425,868.48 : x
  2. Step 2: Convert to fraction form
    152,388,824.32/210,314,023.23 = 85,425,868.48/x
  3. Step 3: Cross multiply
    152,388,824.32x = 210,314,023.23 × 85,425,868.48
  4. Step 4: Simplify right side
    152,388,824.32x = 17,966,258,087,945,644
  5. Step 5: Solve for x
    x = 17,966,258,087,945,644/152,388,824.32
  6. Step 6: Final answer
    x = 117,897,478.17

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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.