Home / 212,865,711.35-293,685,897.12-118,764,601.65

Finding the Fourth Proportional to 212,865,711.35, 293,685,897.12 and 118,764,601.65

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Solution

The fourth proportional to 212,865,711.35, 293,685,897.12 and 118,764,601.65 is: 163,856,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,865,711.35 : 293,685,897.12 = 118,764,601.65 : x
  2. Step 2: Convert to fraction form
    212,865,711.35/293,685,897.12 = 118,764,601.65/x
  3. Step 3: Cross multiply
    212,865,711.35x = 293,685,897.12 × 118,764,601.65
  4. Step 4: Simplify right side
    212,865,711.35x = 34,879,488,581,234,316
  5. Step 5: Solve for x
    x = 34,879,488,581,234,316/212,865,711.35
  6. Step 6: Final answer
    x = 163,856,773.18

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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.