Home / 147,360,401.82-203,353,792.02-81,279,480.92

Finding the Fourth Proportional to 147,360,401.82, 203,353,792.02 and 81,279,480.92

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Solution

The fourth proportional to 147,360,401.82, 203,353,792.02 and 81,279,480.92 is: 112,163,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360,401.82 : 203,353,792.02 = 81,279,480.92 : x
  2. Step 2: Convert to fraction form
    147,360,401.82/203,353,792.02 = 81,279,480.92/x
  3. Step 3: Cross multiply
    147,360,401.82x = 203,353,792.02 × 81,279,480.92
  4. Step 4: Simplify right side
    147,360,401.82x = 16,528,490,657,482,472
  5. Step 5: Solve for x
    x = 16,528,490,657,482,472/147,360,401.82
  6. Step 6: Final answer
    x = 112,163,718.70

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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.