Home / 129,057,611,332.35-178,100,057,335.35-70,397,711,653.17

Finding the Fourth Proportional to 129,057,611,332.35, 178,100,057,335.35 and 70,397,711,653.17

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Solution

The fourth proportional to 129,057,611,332.35, 178,100,057,335.35 and 70,397,711,653.17 is: 97,149,144,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057,611,332.35 : 178,100,057,335.35 = 70,397,711,653.17 : x
  2. Step 2: Convert to fraction form
    129,057,611,332.35/178,100,057,335.35 = 70,397,711,653.17/x
  3. Step 3: Cross multiply
    129,057,611,332.35x = 178,100,057,335.35 × 70,397,711,653.17
  4. Step 4: Simplify right side
    129,057,611,332.35x = 12,537,836,481,707,014,881,280
  5. Step 5: Solve for x
    x = 12,537,836,481,707,014,881,280/129,057,611,332.35
  6. Step 6: Final answer
    x = 97,149,144,109.13

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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.