Home / 131,908,814.40-197,863,221.60-97,471,437.60

Finding the Fourth Proportional to 131,908,814.40, 197,863,221.60 and 97,471,437.60

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Solution

The fourth proportional to 131,908,814.40, 197,863,221.60 and 97,471,437.60 is: 146,207,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908,814.40 : 197,863,221.60 = 97,471,437.60 : x
  2. Step 2: Convert to fraction form
    131,908,814.40/197,863,221.60 = 97,471,437.60/x
  3. Step 3: Cross multiply
    131,908,814.40x = 197,863,221.60 × 97,471,437.60
  4. Step 4: Simplify right side
    131,908,814.40x = 19,286,012,657,519,372
  5. Step 5: Solve for x
    x = 19,286,012,657,519,372/131,908,814.40
  6. Step 6: Final answer
    x = 146,207,156.40

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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.