Home / 137,901,669.60-206,852,504.40-97,087,000.80

Finding the Fourth Proportional to 137,901,669.60, 206,852,504.40 and 97,087,000.80

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Solution

The fourth proportional to 137,901,669.60, 206,852,504.40 and 97,087,000.80 is: 145,630,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,901,669.60 : 206,852,504.40 = 97,087,000.80 : x
  2. Step 2: Convert to fraction form
    137,901,669.60/206,852,504.40 = 97,087,000.80/x
  3. Step 3: Cross multiply
    137,901,669.60x = 206,852,504.40 × 97,087,000.80
  4. Step 4: Simplify right side
    137,901,669.60x = 20,082,689,260,164,804
  5. Step 5: Solve for x
    x = 20,082,689,260,164,804/137,901,669.60
  6. Step 6: Final answer
    x = 145,630,501.20

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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.