Home / 200,835,976.16-301,136,909.88-77,870,639

Finding the Fourth Proportional to 200,835,976.16, 301,136,909.88 and 77,870,639

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Solution

The fourth proportional to 200,835,976.16, 301,136,909.88 and 77,870,639 is: 116,760,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,835,976.16 : 301,136,909.88 = 77,870,639 : x
  2. Step 2: Convert to fraction form
    200,835,976.16/301,136,909.88 = 77,870,639/x
  3. Step 3: Cross multiply
    200,835,976.16x = 301,136,909.88 × 77,870,639
  4. Step 4: Simplify right side
    200,835,976.16x = 23,449,723,598,841,012
  5. Step 5: Solve for x
    x = 23,449,723,598,841,012/200,835,976.16
  6. Step 6: Final answer
    x = 116,760,572.72

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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.