Home / 86,676,021.36-119,610,317.16-47,516,459.76

Finding the Fourth Proportional to 86,676,021.36, 119,610,317.16 and 47,516,459.76

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Solution

The fourth proportional to 86,676,021.36, 119,610,317.16 and 47,516,459.76 is: 65,571,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,676,021.36 : 119,610,317.16 = 47,516,459.76 : x
  2. Step 2: Convert to fraction form
    86,676,021.36/119,610,317.16 = 47,516,459.76/x
  3. Step 3: Cross multiply
    86,676,021.36x = 119,610,317.16 × 47,516,459.76
  4. Step 4: Simplify right side
    86,676,021.36x = 5,683,458,822,213,977
  5. Step 5: Solve for x
    x = 5,683,458,822,213,977/86,676,021.36
  6. Step 6: Final answer
    x = 65,571,293.34

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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.