Home / 77,392,416.76-106,798,332.94-42,110,367.01

Finding the Fourth Proportional to 77,392,416.76, 106,798,332.94 and 42,110,367.01

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Solution

The fourth proportional to 77,392,416.76, 106,798,332.94 and 42,110,367.01 is: 58,110,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,416.76 : 106,798,332.94 = 42,110,367.01 : x
  2. Step 2: Convert to fraction form
    77,392,416.76/106,798,332.94 = 42,110,367.01/x
  3. Step 3: Cross multiply
    77,392,416.76x = 106,798,332.94 × 42,110,367.01
  4. Step 4: Simplify right side
    77,392,416.76x = 4,497,316,995,787,300.50
  5. Step 5: Solve for x
    x = 4,497,316,995,787,300.50/77,392,416.76
  6. Step 6: Final answer
    x = 58,110,564.11

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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.