Home / 127,811,231.60-191,716,847.40-97,578,143.60

Finding the Fourth Proportional to 127,811,231.60, 191,716,847.40 and 97,578,143.60

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Solution

The fourth proportional to 127,811,231.60, 191,716,847.40 and 97,578,143.60 is: 146,367,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,811,231.60 : 191,716,847.40 = 97,578,143.60 : x
  2. Step 2: Convert to fraction form
    127,811,231.60/191,716,847.40 = 97,578,143.60/x
  3. Step 3: Cross multiply
    127,811,231.60x = 191,716,847.40 × 97,578,143.60
  4. Step 4: Simplify right side
    127,811,231.60x = 18,707,374,066,136,488
  5. Step 5: Solve for x
    x = 18,707,374,066,136,488/127,811,231.60
  6. Step 6: Final answer
    x = 146,367,215.40

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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.