Home / 158,698,086.90-219,010,632.02-88,134,008.61

Finding the Fourth Proportional to 158,698,086.90, 219,010,632.02 and 88,134,008.61

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Solution

The fourth proportional to 158,698,086.90, 219,010,632.02 and 88,134,008.61 is: 121,628,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,698,086.90 : 219,010,632.02 = 88,134,008.61 : x
  2. Step 2: Convert to fraction form
    158,698,086.90/219,010,632.02 = 88,134,008.61/x
  3. Step 3: Cross multiply
    158,698,086.90x = 219,010,632.02 × 88,134,008.61
  4. Step 4: Simplify right side
    158,698,086.90x = 19,302,284,927,691,552
  5. Step 5: Solve for x
    x = 19,302,284,927,691,552/158,698,086.90
  6. Step 6: Final answer
    x = 121,628,970.49

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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.