Home / 66,051,038.40-99,076,557.60-43,092,787.20

Finding the Fourth Proportional to 66,051,038.40, 99,076,557.60 and 43,092,787.20

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Solution

The fourth proportional to 66,051,038.40, 99,076,557.60 and 43,092,787.20 is: 64,639,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,038.40 : 99,076,557.60 = 43,092,787.20 : x
  2. Step 2: Convert to fraction form
    66,051,038.40/99,076,557.60 = 43,092,787.20/x
  3. Step 3: Cross multiply
    66,051,038.40x = 99,076,557.60 × 43,092,787.20
  4. Step 4: Simplify right side
    66,051,038.40x = 4,269,485,013,165,343
  5. Step 5: Solve for x
    x = 4,269,485,013,165,343/66,051,038.40
  6. Step 6: Final answer
    x = 64,639,180.80

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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.