Home / 152,751,438.36-210,801,461.22-83,141,327.88

Finding the Fourth Proportional to 152,751,438.36, 210,801,461.22 and 83,141,327.88

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Solution

The fourth proportional to 152,751,438.36, 210,801,461.22 and 83,141,327.88 is: 114,737,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,751,438.36 : 210,801,461.22 = 83,141,327.88 : x
  2. Step 2: Convert to fraction form
    152,751,438.36/210,801,461.22 = 83,141,327.88/x
  3. Step 3: Cross multiply
    152,751,438.36x = 210,801,461.22 × 83,141,327.88
  4. Step 4: Simplify right side
    152,751,438.36x = 17,526,313,404,875,124
  5. Step 5: Solve for x
    x = 17,526,313,404,875,124/152,751,438.36
  6. Step 6: Final answer
    x = 114,737,468.88

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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.