Home / 168,038,974.40-252,058,461.60-142,060,913.60

Finding the Fourth Proportional to 168,038,974.40, 252,058,461.60 and 142,060,913.60

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Solution

The fourth proportional to 168,038,974.40, 252,058,461.60 and 142,060,913.60 is: 213,091,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038,974.40 : 252,058,461.60 = 142,060,913.60 : x
  2. Step 2: Convert to fraction form
    168,038,974.40/252,058,461.60 = 142,060,913.60/x
  3. Step 3: Cross multiply
    168,038,974.40x = 252,058,461.60 × 142,060,913.60
  4. Step 4: Simplify right side
    168,038,974.40x = 35,807,655,335,506,516
  5. Step 5: Solve for x
    x = 35,807,655,335,506,516/168,038,974.40
  6. Step 6: Final answer
    x = 213,091,370.40

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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.