Home / 152,592,791.78-210,619,214.87-99,668,377.14

Finding the Fourth Proportional to 152,592,791.78, 210,619,214.87 and 99,668,377.14

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Solution

The fourth proportional to 152,592,791.78, 210,619,214.87 and 99,668,377.14 is: 137,569,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,592,791.78 : 210,619,214.87 = 99,668,377.14 : x
  2. Step 2: Convert to fraction form
    152,592,791.78/210,619,214.87 = 99,668,377.14/x
  3. Step 3: Cross multiply
    152,592,791.78x = 210,619,214.87 × 99,668,377.14
  4. Step 4: Simplify right side
    152,592,791.78x = 20,992,075,340,095,516
  5. Step 5: Solve for x
    x = 20,992,075,340,095,516/152,592,791.78
  6. Step 6: Final answer
    x = 137,569,246.20

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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.