Home / 231,830,814.30-347,746,221.45-163,806,366.30

Finding the Fourth Proportional to 231,830,814.30, 347,746,221.45 and 163,806,366.30

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Solution

The fourth proportional to 231,830,814.30, 347,746,221.45 and 163,806,366.30 is: 245,709,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,830,814.30 : 347,746,221.45 = 163,806,366.30 : x
  2. Step 2: Convert to fraction form
    231,830,814.30/347,746,221.45 = 163,806,366.30/x
  3. Step 3: Cross multiply
    231,830,814.30x = 347,746,221.45 × 163,806,366.30
  4. Step 4: Simplify right side
    231,830,814.30x = 56,963,044,930,279,616
  5. Step 5: Solve for x
    x = 56,963,044,930,279,616/231,830,814.30
  6. Step 6: Final answer
    x = 245,709,549.45

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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.