Home / 130,328,755,020.87-195,387,636,084.80-40,745,636,418.07

Finding the Fourth Proportional to 130,328,755,020.87, 195,387,636,084.80 and 40,745,636,418.07

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Solution

The fourth proportional to 130,328,755,020.87, 195,387,636,084.80 and 40,745,636,418.07 is: 61,085,472,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328,755,020.87 : 195,387,636,084.80 = 40,745,636,418.07 : x
  2. Step 2: Convert to fraction form
    130,328,755,020.87/195,387,636,084.80 = 40,745,636,418.07/x
  3. Step 3: Cross multiply
    130,328,755,020.87x = 195,387,636,084.80 × 40,745,636,418.07
  4. Step 4: Simplify right side
    130,328,755,020.87x = 7,961,193,580,496,848,683,008
  5. Step 5: Solve for x
    x = 7,961,193,580,496,848,683,008/130,328,755,020.87
  6. Step 6: Final answer
    x = 61,085,472,497.78

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1.5x scale

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.