Home / 77,559,012.92-107,031,411.74-42,752,284.64

Finding the Fourth Proportional to 77,559,012.92, 107,031,411.74 and 42,752,284.64

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Solution

The fourth proportional to 77,559,012.92, 107,031,411.74 and 42,752,284.64 is: 58,998,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,012.92 : 107,031,411.74 = 42,752,284.64 : x
  2. Step 2: Convert to fraction form
    77,559,012.92/107,031,411.74 = 42,752,284.64/x
  3. Step 3: Cross multiply
    77,559,012.92x = 107,031,411.74 × 42,752,284.64
  4. Step 4: Simplify right side
    77,559,012.92x = 4,575,837,380,129,518
  5. Step 5: Solve for x
    x = 4,575,837,380,129,518/77,559,012.92
  6. Step 6: Final answer
    x = 58,998,138.42

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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.