Home / 131,630,209.60-197,445,314.40-67,060,128.10

Finding the Fourth Proportional to 131,630,209.60, 197,445,314.40 and 67,060,128.10

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Solution

The fourth proportional to 131,630,209.60, 197,445,314.40 and 67,060,128.10 is: 100,590,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630,209.60 : 197,445,314.40 = 67,060,128.10 : x
  2. Step 2: Convert to fraction form
    131,630,209.60/197,445,314.40 = 67,060,128.10/x
  3. Step 3: Cross multiply
    131,630,209.60x = 197,445,314.40 × 67,060,128.10
  4. Step 4: Simplify right side
    131,630,209.60x = 13,240,708,076,408,776
  5. Step 5: Solve for x
    x = 13,240,708,076,408,776/131,630,209.60
  6. Step 6: Final answer
    x = 100,590,192.15

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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.