Home / 30,640,112.16-42,282,082.50-16,701,160.58

Finding the Fourth Proportional to 30,640,112.16, 42,282,082.50 and 16,701,160.58

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Solution

The fourth proportional to 30,640,112.16, 42,282,082.50 and 16,701,160.58 is: 23,046,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,112.16 : 42,282,082.50 = 16,701,160.58 : x
  2. Step 2: Convert to fraction form
    30,640,112.16/42,282,082.50 = 16,701,160.58/x
  3. Step 3: Cross multiply
    30,640,112.16x = 42,282,082.50 × 16,701,160.58
  4. Step 4: Simplify right side
    30,640,112.16x = 706,159,849,373,825.88
  5. Step 5: Solve for x
    x = 706,159,849,373,825.88/30,640,112.16
  6. Step 6: Final answer
    x = 23,046,908.11

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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.