Home / 77,559,011.92-107,031,410.36-42,752,283.64

Finding the Fourth Proportional to 77,559,011.92, 107,031,410.36 and 42,752,283.64

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Solution

The fourth proportional to 77,559,011.92, 107,031,410.36 and 42,752,283.64 is: 58,998,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,011.92 : 107,031,410.36 = 42,752,283.64 : x
  2. Step 2: Convert to fraction form
    77,559,011.92/107,031,410.36 = 42,752,283.64/x
  3. Step 3: Cross multiply
    77,559,011.92x = 107,031,410.36 × 42,752,283.64
  4. Step 4: Simplify right side
    77,559,011.92x = 4,575,837,214,099,955
  5. Step 5: Solve for x
    x = 4,575,837,214,099,955/77,559,011.92
  6. Step 6: Final answer
    x = 58,998,137.04

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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.