Home / 131,158,094.40-196,856,114.40-66,506,875.20

Finding the Fourth Proportional to 131,158,094.40, 196,856,114.40 and 66,506,875.20

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Solution

The fourth proportional to 131,158,094.40, 196,856,114.40 and 66,506,875.20 is: 99,820,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,158,094.40 : 196,856,114.40 = 66,506,875.20 : x
  2. Step 2: Convert to fraction form
    131,158,094.40/196,856,114.40 = 66,506,875.20/x
  3. Step 3: Cross multiply
    131,158,094.40x = 196,856,114.40 × 66,506,875.20
  4. Step 4: Simplify right side
    131,158,094.40x = 13,092,285,032,757,724
  5. Step 5: Solve for x
    x = 13,092,285,032,757,724/131,158,094.40
  6. Step 6: Final answer
    x = 99,820,640.83

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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.