Home / 235,913,561.76-325,555,166.88-136,812,018.72

Finding the Fourth Proportional to 235,913,561.76, 325,555,166.88 and 136,812,018.72

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Solution

The fourth proportional to 235,913,561.76, 325,555,166.88 and 136,812,018.72 is: 188,797,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,913,561.76 : 325,555,166.88 = 136,812,018.72 : x
  2. Step 2: Convert to fraction form
    235,913,561.76/325,555,166.88 = 136,812,018.72/x
  3. Step 3: Cross multiply
    235,913,561.76x = 325,555,166.88 × 136,812,018.72
  4. Step 4: Simplify right side
    235,913,561.76x = 44,539,859,585,579,280
  5. Step 5: Solve for x
    x = 44,539,859,585,579,280/235,913,561.76
  6. Step 6: Final answer
    x = 188,797,368.21

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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.