Home / 65,880,480.98-90,915,061.95-36,516,225.21

Finding the Fourth Proportional to 65,880,480.98, 90,915,061.95 and 36,516,225.21

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Solution

The fourth proportional to 65,880,480.98, 90,915,061.95 and 36,516,225.21 is: 50,392,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,480.98 : 90,915,061.95 = 36,516,225.21 : x
  2. Step 2: Convert to fraction form
    65,880,480.98/90,915,061.95 = 36,516,225.21/x
  3. Step 3: Cross multiply
    65,880,480.98x = 90,915,061.95 × 36,516,225.21
  4. Step 4: Simplify right side
    65,880,480.98x = 3,319,874,877,062,460
  5. Step 5: Solve for x
    x = 3,319,874,877,062,460/65,880,480.98
  6. Step 6: Final answer
    x = 50,392,389.79

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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.