Home / 75,638,807.69-104,429,749.40-61,733,332.15

Finding the Fourth Proportional to 75,638,807.69, 104,429,749.40 and 61,733,332.15

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Solution

The fourth proportional to 75,638,807.69, 104,429,749.40 and 61,733,332.15 is: 85,231,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638,807.69 : 104,429,749.40 = 61,733,332.15 : x
  2. Step 2: Convert to fraction form
    75,638,807.69/104,429,749.40 = 61,733,332.15/x
  3. Step 3: Cross multiply
    75,638,807.69x = 104,429,749.40 × 61,733,332.15
  4. Step 4: Simplify right side
    75,638,807.69x = 6,446,796,406,560,537
  5. Step 5: Solve for x
    x = 6,446,796,406,560,537/75,638,807.69
  6. Step 6: Final answer
    x = 85,231,333.01

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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.