Home / 129,784,699.26-178,912,071.27-98,790,885.18

Finding the Fourth Proportional to 129,784,699.26, 178,912,071.27 and 98,790,885.18

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Solution

The fourth proportional to 129,784,699.26, 178,912,071.27 and 98,790,885.18 is: 136,186,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,784,699.26 : 178,912,071.27 = 98,790,885.18 : x
  2. Step 2: Convert to fraction form
    129,784,699.26/178,912,071.27 = 98,790,885.18/x
  3. Step 3: Cross multiply
    129,784,699.26x = 178,912,071.27 × 98,790,885.18
  4. Step 4: Simplify right side
    129,784,699.26x = 17,674,881,890,150,550
  5. Step 5: Solve for x
    x = 17,674,881,890,150,550/129,784,699.26
  6. Step 6: Final answer
    x = 136,186,175.96

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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.