Home / 103,661,501.70-143,050,134.33-57,250,756.74

Finding the Fourth Proportional to 103,661,501.70, 143,050,134.33 and 57,250,756.74

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Solution

The fourth proportional to 103,661,501.70, 143,050,134.33 and 57,250,756.74 is: 79,004,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661,501.70 : 143,050,134.33 = 57,250,756.74 : x
  2. Step 2: Convert to fraction form
    103,661,501.70/143,050,134.33 = 57,250,756.74/x
  3. Step 3: Cross multiply
    103,661,501.70x = 143,050,134.33 × 57,250,756.74
  4. Step 4: Simplify right side
    103,661,501.70x = 8,189,728,442,151,154
  5. Step 5: Solve for x
    x = 8,189,728,442,151,154/103,661,501.70
  6. Step 6: Final answer
    x = 79,004,532.13

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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.