Home / 158,820,158.36-219,178,407.72-88,255,505

Finding the Fourth Proportional to 158,820,158.36, 219,178,407.72 and 88,255,505

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Solution

The fourth proportional to 158,820,158.36, 219,178,407.72 and 88,255,505 is: 121,796,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,820,158.36 : 219,178,407.72 = 88,255,505 : x
  2. Step 2: Convert to fraction form
    158,820,158.36/219,178,407.72 = 88,255,505/x
  3. Step 3: Cross multiply
    158,820,158.36x = 219,178,407.72 × 88,255,505
  4. Step 4: Simplify right side
    158,820,158.36x = 19,343,701,058,424,500
  5. Step 5: Solve for x
    x = 19,343,701,058,424,500/158,820,158.36
  6. Step 6: Final answer
    x = 121,796,258.47

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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.