Home / 127,568,774.07-191,197,703.61-66,124,057.73

Finding the Fourth Proportional to 127,568,774.07, 191,197,703.61 and 66,124,057.73

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Solution

The fourth proportional to 127,568,774.07, 191,197,703.61 and 66,124,057.73 is: 99,105,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,774.07 : 191,197,703.61 = 66,124,057.73 : x
  2. Step 2: Convert to fraction form
    127,568,774.07/191,197,703.61 = 66,124,057.73/x
  3. Step 3: Cross multiply
    127,568,774.07x = 191,197,703.61 × 66,124,057.73
  4. Step 4: Simplify right side
    127,568,774.07x = 12,642,767,991,038,386
  5. Step 5: Solve for x
    x = 12,642,767,991,038,386/127,568,774.07
  6. Step 6: Final answer
    x = 99,105,506.68

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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.