Home / 130,459,627.56-180,029,696.94-71,721,866.76

Finding the Fourth Proportional to 130,459,627.56, 180,029,696.94 and 71,721,866.76

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Solution

The fourth proportional to 130,459,627.56, 180,029,696.94 and 71,721,866.76 is: 98,973,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,459,627.56 : 180,029,696.94 = 71,721,866.76 : x
  2. Step 2: Convert to fraction form
    130,459,627.56/180,029,696.94 = 71,721,866.76/x
  3. Step 3: Cross multiply
    130,459,627.56x = 180,029,696.94 × 71,721,866.76
  4. Step 4: Simplify right side
    130,459,627.56x = 12,912,065,936,773,860
  5. Step 5: Solve for x
    x = 12,912,065,936,773,860/130,459,627.56
  6. Step 6: Final answer
    x = 98,973,653.22

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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.