Home / 131,630,985.60-197,446,478.40-67,060,904.10

Finding the Fourth Proportional to 131,630,985.60, 197,446,478.40 and 67,060,904.10

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Solution

The fourth proportional to 131,630,985.60, 197,446,478.40 and 67,060,904.10 is: 100,591,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630,985.60 : 197,446,478.40 = 67,060,904.10 : x
  2. Step 2: Convert to fraction form
    131,630,985.60/197,446,478.40 = 67,060,904.10/x
  3. Step 3: Cross multiply
    131,630,985.60x = 197,446,478.40 × 67,060,904.10
  4. Step 4: Simplify right side
    131,630,985.60x = 13,240,939,352,865,122
  5. Step 5: Solve for x
    x = 13,240,939,352,865,122/131,630,985.60
  6. Step 6: Final answer
    x = 100,591,356.15

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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.