Home / 127,739,748,651.86-176,242,582,849.47-73,544,903,871.65

Finding the Fourth Proportional to 127,739,748,651.86, 176,242,582,849.47 and 73,544,903,871.65

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Solution

The fourth proportional to 127,739,748,651.86, 176,242,582,849.47 and 73,544,903,871.65 is: 101,469,933,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,739,748,651.86 : 176,242,582,849.47 = 73,544,903,871.65 : x
  2. Step 2: Convert to fraction form
    127,739,748,651.86/176,242,582,849.47 = 73,544,903,871.65/x
  3. Step 3: Cross multiply
    127,739,748,651.86x = 176,242,582,849.47 × 73,544,903,871.65
  4. Step 4: Simplify right side
    127,739,748,651.86x = 12,961,743,813,754,700,693,504
  5. Step 5: Solve for x
    x = 12,961,743,813,754,700,693,504/127,739,748,651.86
  6. Step 6: Final answer
    x = 101,469,933,599.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.