Home / 219,282,907.59-328,921,261.82-53,287,632.63

Finding the Fourth Proportional to 219,282,907.59, 328,921,261.82 and 53,287,632.63

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Solution

The fourth proportional to 219,282,907.59, 328,921,261.82 and 53,287,632.63 is: 79,930,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,282,907.59 : 328,921,261.82 = 53,287,632.63 : x
  2. Step 2: Convert to fraction form
    219,282,907.59/328,921,261.82 = 53,287,632.63/x
  3. Step 3: Cross multiply
    219,282,907.59x = 328,921,261.82 × 53,287,632.63
  4. Step 4: Simplify right side
    219,282,907.59x = 17,527,435,363,793,768
  5. Step 5: Solve for x
    x = 17,527,435,363,793,768/219,282,907.59
  6. Step 6: Final answer
    x = 79,930,695.72

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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.