Home / 143,948,774,770.42-198,553,657,475.68-92,572,287,776.31

Finding the Fourth Proportional to 143,948,774,770.42, 198,553,657,475.68 and 92,572,287,776.31

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Solution

The fourth proportional to 143,948,774,770.42, 198,553,657,475.68 and 92,572,287,776.31 is: 127,688,244,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948,774,770.42 : 198,553,657,475.68 = 92,572,287,776.31 : x
  2. Step 2: Convert to fraction form
    143,948,774,770.42/198,553,657,475.68 = 92,572,287,776.31/x
  3. Step 3: Cross multiply
    143,948,774,770.42x = 198,553,657,475.68 × 92,572,287,776.31
  4. Step 4: Simplify right side
    143,948,774,770.42x = 18,380,566,318,877,532,749,824
  5. Step 5: Solve for x
    x = 18,380,566,318,877,532,749,824/143,948,774,770.42
  6. Step 6: Final answer
    x = 127,688,244,295.18

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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.