Home / 158,238,045.60-237,168,111.60-66,121,605.60

Finding the Fourth Proportional to 158,238,045.60, 237,168,111.60 and 66,121,605.60

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Solution

The fourth proportional to 158,238,045.60, 237,168,111.60 and 66,121,605.60 is: 99,103,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,238,045.60 : 237,168,111.60 = 66,121,605.60 : x
  2. Step 2: Convert to fraction form
    158,238,045.60/237,168,111.60 = 66,121,605.60/x
  3. Step 3: Cross multiply
    158,238,045.60x = 237,168,111.60 × 66,121,605.60
  4. Step 4: Simplify right side
    158,238,045.60x = 15,681,936,336,111,984
  5. Step 5: Solve for x
    x = 15,681,936,336,111,984/158,238,045.60
  6. Step 6: Final answer
    x = 99,103,450.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.