Home / 85,833,614.61-118,453,503.11-49,171,271.49

Finding the Fourth Proportional to 85,833,614.61, 118,453,503.11 and 49,171,271.49

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Solution

The fourth proportional to 85,833,614.61, 118,453,503.11 and 49,171,271.49 is: 67,858,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,614.61 : 118,453,503.11 = 49,171,271.49 : x
  2. Step 2: Convert to fraction form
    85,833,614.61/118,453,503.11 = 49,171,271.49/x
  3. Step 3: Cross multiply
    85,833,614.61x = 118,453,503.11 × 49,171,271.49
  4. Step 4: Simplify right side
    85,833,614.61x = 5,824,509,360,117,513
  5. Step 5: Solve for x
    x = 5,824,509,360,117,513/85,833,614.61
  6. Step 6: Final answer
    x = 67,858,139.11

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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.