Home / 144,784,237.03-199,800,827.63-78,700,803.47

Finding the Fourth Proportional to 144,784,237.03, 199,800,827.63 and 78,700,803.47

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Solution

The fourth proportional to 144,784,237.03, 199,800,827.63 and 78,700,803.47 is: 108,606,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,784,237.03 : 199,800,827.63 = 78,700,803.47 : x
  2. Step 2: Convert to fraction form
    144,784,237.03/199,800,827.63 = 78,700,803.47/x
  3. Step 3: Cross multiply
    144,784,237.03x = 199,800,827.63 × 78,700,803.47
  4. Step 4: Simplify right side
    144,784,237.03x = 15,724,485,668,826,868
  5. Step 5: Solve for x
    x = 15,724,485,668,826,868/144,784,237.03
  6. Step 6: Final answer
    x = 108,606,337.21

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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.