Home / 144,779,153.14-199,797,158.96-78,700,664.94

Finding the Fourth Proportional to 144,779,153.14, 199,797,158.96 and 78,700,664.94

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Solution

The fourth proportional to 144,779,153.14, 199,797,158.96 and 78,700,664.94 is: 108,607,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,779,153.14 : 199,797,158.96 = 78,700,664.94 : x
  2. Step 2: Convert to fraction form
    144,779,153.14/199,797,158.96 = 78,700,664.94/x
  3. Step 3: Cross multiply
    144,779,153.14x = 199,797,158.96 × 78,700,664.94
  4. Step 4: Simplify right side
    144,779,153.14x = 15,724,169,263,274,880
  5. Step 5: Solve for x
    x = 15,724,169,263,274,880/144,779,153.14
  6. Step 6: Final answer
    x = 108,607,965.46

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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.