Home / 77,220,185.70-106,565,937.48-45,432,574.25

Finding the Fourth Proportional to 77,220,185.70, 106,565,937.48 and 45,432,574.25

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Solution

The fourth proportional to 77,220,185.70, 106,565,937.48 and 45,432,574.25 is: 62,698,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220,185.70 : 106,565,937.48 = 45,432,574.25 : x
  2. Step 2: Convert to fraction form
    77,220,185.70/106,565,937.48 = 45,432,574.25/x
  3. Step 3: Cross multiply
    77,220,185.70x = 106,565,937.48 × 45,432,574.25
  4. Step 4: Simplify right side
    77,220,185.70x = 4,841,564,867,347,373
  5. Step 5: Solve for x
    x = 4,841,564,867,347,373/77,220,185.70
  6. Step 6: Final answer
    x = 62,698,176.95

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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.