Home / 61,883,643.38-85,402,085.13-34,381,571.63

Finding the Fourth Proportional to 61,883,643.38, 85,402,085.13 and 34,381,571.63

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Solution

The fourth proportional to 61,883,643.38, 85,402,085.13 and 34,381,571.63 is: 47,448,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883,643.38 : 85,402,085.13 = 34,381,571.63 : x
  2. Step 2: Convert to fraction form
    61,883,643.38/85,402,085.13 = 34,381,571.63/x
  3. Step 3: Cross multiply
    61,883,643.38x = 85,402,085.13 × 34,381,571.63
  4. Step 4: Simplify right side
    61,883,643.38x = 2,936,257,906,821,442.50
  5. Step 5: Solve for x
    x = 2,936,257,906,821,442.50/61,883,643.38
  6. Step 6: Final answer
    x = 47,448,045.18

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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.