Home / 137,861,457,063.45-206,855,018,366.93-70,755,826,542.48

Finding the Fourth Proportional to 137,861,457,063.45, 206,855,018,366.93 and 70,755,826,542.48

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Solution

The fourth proportional to 137,861,457,063.45, 206,855,018,366.93 and 70,755,826,542.48 is: 106,165,988,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,861,457,063.45 : 206,855,018,366.93 = 70,755,826,542.48 : x
  2. Step 2: Convert to fraction form
    137,861,457,063.45/206,855,018,366.93 = 70,755,826,542.48/x
  3. Step 3: Cross multiply
    137,861,457,063.45x = 206,855,018,366.93 × 70,755,826,542.48
  4. Step 4: Simplify right side
    137,861,457,063.45x = 14,636,197,799,012,012,654,592
  5. Step 5: Solve for x
    x = 14,636,197,799,012,012,654,592/137,861,457,063.45
  6. Step 6: Final answer
    x = 106,165,988,019.96

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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.