Home / 129,057,611,309.27-178,100,057,303.52-70,397,711,630.10

Finding the Fourth Proportional to 129,057,611,309.27, 178,100,057,303.52 and 70,397,711,630.10

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Solution

The fourth proportional to 129,057,611,309.27, 178,100,057,303.52 and 70,397,711,630.10 is: 97,149,144,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057,611,309.27 : 178,100,057,303.52 = 70,397,711,630.10 : x
  2. Step 2: Convert to fraction form
    129,057,611,309.27/178,100,057,303.52 = 70,397,711,630.10/x
  3. Step 3: Cross multiply
    129,057,611,309.27x = 178,100,057,303.52 × 70,397,711,630.10
  4. Step 4: Simplify right side
    129,057,611,309.27x = 12,537,836,475,356,595,355,648
  5. Step 5: Solve for x
    x = 12,537,836,475,356,595,355,648/129,057,611,309.27
  6. Step 6: Final answer
    x = 97,149,144,077.30

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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.