Home / 147,510,908.76-203,559,718.38-81,429,988.50

Finding the Fourth Proportional to 147,510,908.76, 203,559,718.38 and 81,429,988.50

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Solution

The fourth proportional to 147,510,908.76, 203,559,718.38 and 81,429,988.50 is: 112,370,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,908.76 : 203,559,718.38 = 81,429,988.50 : x
  2. Step 2: Convert to fraction form
    147,510,908.76/203,559,718.38 = 81,429,988.50/x
  3. Step 3: Cross multiply
    147,510,908.76x = 203,559,718.38 × 81,429,988.50
  4. Step 4: Simplify right side
    147,510,908.76x = 16,575,865,526,746,638
  5. Step 5: Solve for x
    x = 16,575,865,526,746,638/147,510,908.76
  6. Step 6: Final answer
    x = 112,370,438.68

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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.