Home / 111,173,373.87-153,419,270.49-61,616,946.95

Finding the Fourth Proportional to 111,173,373.87, 153,419,270.49 and 61,616,946.95

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Solution

The fourth proportional to 111,173,373.87, 153,419,270.49 and 61,616,946.95 is: 85,031,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,173,373.87 : 153,419,270.49 = 61,616,946.95 : x
  2. Step 2: Convert to fraction form
    111,173,373.87/153,419,270.49 = 61,616,946.95/x
  3. Step 3: Cross multiply
    111,173,373.87x = 153,419,270.49 × 61,616,946.95
  4. Step 4: Simplify right side
    111,173,373.87x = 9,453,227,050,871,010
  5. Step 5: Solve for x
    x = 9,453,227,050,871,010/111,173,373.87
  6. Step 6: Final answer
    x = 85,031,394.85

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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.