Home / 50,862,692.40-76,294,038.60-45,319,959.60

Finding the Fourth Proportional to 50,862,692.40, 76,294,038.60 and 45,319,959.60

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Solution

The fourth proportional to 50,862,692.40, 76,294,038.60 and 45,319,959.60 is: 67,979,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862,692.40 : 76,294,038.60 = 45,319,959.60 : x
  2. Step 2: Convert to fraction form
    50,862,692.40/76,294,038.60 = 45,319,959.60/x
  3. Step 3: Cross multiply
    50,862,692.40x = 76,294,038.60 × 45,319,959.60
  4. Step 4: Simplify right side
    50,862,692.40x = 3,457,642,747,072,840.50
  5. Step 5: Solve for x
    x = 3,457,642,747,072,840.50/50,862,692.40
  6. Step 6: Final answer
    x = 67,979,939.40

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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.