Home / 66,733,007.20-99,931,549.20-43,890,229.60

Finding the Fourth Proportional to 66,733,007.20, 99,931,549.20 and 43,890,229.60

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Solution

The fourth proportional to 66,733,007.20, 99,931,549.20 and 43,890,229.60 is: 65,724,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733,007.20 : 99,931,549.20 = 43,890,229.60 : x
  2. Step 2: Convert to fraction form
    66,733,007.20/99,931,549.20 = 43,890,229.60/x
  3. Step 3: Cross multiply
    66,733,007.20x = 99,931,549.20 × 43,890,229.60
  4. Step 4: Simplify right side
    66,733,007.20x = 4,386,018,638,671,696.50
  5. Step 5: Solve for x
    x = 4,386,018,638,671,696.50/66,733,007.20
  6. Step 6: Final answer
    x = 65,724,876.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.