Home / 129,635,537,734.67-178,899,160,063.86-70,973,381,068.83

Finding the Fourth Proportional to 129,635,537,734.67, 178,899,160,063.86 and 70,973,381,068.83

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Solution

The fourth proportional to 129,635,537,734.67, 178,899,160,063.86 and 70,973,381,068.83 is: 97,944,425,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,635,537,734.67 : 178,899,160,063.86 = 70,973,381,068.83 : x
  2. Step 2: Convert to fraction form
    129,635,537,734.67/178,899,160,063.86 = 70,973,381,068.83/x
  3. Step 3: Cross multiply
    129,635,537,734.67x = 178,899,160,063.86 × 70,973,381,068.83
  4. Step 4: Simplify right side
    129,635,537,734.67x = 12,697,078,260,105,947,906,048
  5. Step 5: Solve for x
    x = 12,697,078,260,105,947,906,048/129,635,537,734.67
  6. Step 6: Final answer
    x = 97,944,425,440.60

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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.