Home / 127,803,952.90-191,510,836.80-75,886,315.21

Finding the Fourth Proportional to 127,803,952.90, 191,510,836.80 and 75,886,315.21

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Solution

The fourth proportional to 127,803,952.90, 191,510,836.80 and 75,886,315.21 is: 113,713,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,803,952.90 : 191,510,836.80 = 75,886,315.21 : x
  2. Step 2: Convert to fraction form
    127,803,952.90/191,510,836.80 = 75,886,315.21/x
  3. Step 3: Cross multiply
    127,803,952.90x = 191,510,836.80 × 75,886,315.21
  4. Step 4: Simplify right side
    127,803,952.90x = 14,533,051,727,535,668
  5. Step 5: Solve for x
    x = 14,533,051,727,535,668/127,803,952.90
  6. Step 6: Final answer
    x = 113,713,632.46

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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.