Home / 144,820,815.45-199,859,905.67-89,834,386.65

Finding the Fourth Proportional to 144,820,815.45, 199,859,905.67 and 89,834,386.65

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Solution

The fourth proportional to 144,820,815.45, 199,859,905.67 and 89,834,386.65 is: 123,975,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,820,815.45 : 199,859,905.67 = 89,834,386.65 : x
  2. Step 2: Convert to fraction form
    144,820,815.45/199,859,905.67 = 89,834,386.65/x
  3. Step 3: Cross multiply
    144,820,815.45x = 199,859,905.67 × 89,834,386.65
  4. Step 4: Simplify right side
    144,820,815.45x = 17,954,292,041,791,308
  5. Step 5: Solve for x
    x = 17,954,292,041,791,308/144,820,815.45
  6. Step 6: Final answer
    x = 123,975,907.65

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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.