Home / 152,947,651.20-229,421,268.32-71,021,730.24

Finding the Fourth Proportional to 152,947,651.20, 229,421,268.32 and 71,021,730.24

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Solution

The fourth proportional to 152,947,651.20, 229,421,268.32 and 71,021,730.24 is: 106,532,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,947,651.20 : 229,421,268.32 = 71,021,730.24 : x
  2. Step 2: Convert to fraction form
    152,947,651.20/229,421,268.32 = 71,021,730.24/x
  3. Step 3: Cross multiply
    152,947,651.20x = 229,421,268.32 × 71,021,730.24
  4. Step 4: Simplify right side
    152,947,651.20x = 16,293,895,429,941,696
  5. Step 5: Solve for x
    x = 16,293,895,429,941,696/152,947,651.20
  6. Step 6: Final answer
    x = 106,532,498.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.