Home / 186,677,822.49-257,712,148.31-136,385,567.66

Finding the Fourth Proportional to 186,677,822.49, 257,712,148.31 and 136,385,567.66

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Solution

The fourth proportional to 186,677,822.49, 257,712,148.31 and 136,385,567.66 is: 188,282,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,677,822.49 : 257,712,148.31 = 136,385,567.66 : x
  2. Step 2: Convert to fraction form
    186,677,822.49/257,712,148.31 = 136,385,567.66/x
  3. Step 3: Cross multiply
    186,677,822.49x = 257,712,148.31 × 136,385,567.66
  4. Step 4: Simplify right side
    186,677,822.49x = 35,148,217,640,137,460
  5. Step 5: Solve for x
    x = 35,148,217,640,137,460/186,677,822.49
  6. Step 6: Final answer
    x = 188,282,770.67

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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.