Home / 66,051,036.40-99,076,554.60-43,092,785.20

Finding the Fourth Proportional to 66,051,036.40, 99,076,554.60 and 43,092,785.20

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Solution

The fourth proportional to 66,051,036.40, 99,076,554.60 and 43,092,785.20 is: 64,639,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,036.40 : 99,076,554.60 = 43,092,785.20 : x
  2. Step 2: Convert to fraction form
    66,051,036.40/99,076,554.60 = 43,092,785.20/x
  3. Step 3: Cross multiply
    66,051,036.40x = 99,076,554.60 × 43,092,785.20
  4. Step 4: Simplify right side
    66,051,036.40x = 4,269,484,685,733,872
  5. Step 5: Solve for x
    x = 4,269,484,685,733,872/66,051,036.40
  6. Step 6: Final answer
    x = 64,639,177.80

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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.