Home / 77,477,670.60-106,924,018.86-42,670,352.22

Finding the Fourth Proportional to 77,477,670.60, 106,924,018.86 and 42,670,352.22

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Solution

The fourth proportional to 77,477,670.60, 106,924,018.86 and 42,670,352.22 is: 58,887,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477,670.60 : 106,924,018.86 = 42,670,352.22 : x
  2. Step 2: Convert to fraction form
    77,477,670.60/106,924,018.86 = 42,670,352.22/x
  3. Step 3: Cross multiply
    77,477,670.60x = 106,924,018.86 × 42,670,352.22
  4. Step 4: Simplify right side
    77,477,670.60x = 4,562,485,545,534,123
  5. Step 5: Solve for x
    x = 4,562,485,545,534,123/77,477,670.60
  6. Step 6: Final answer
    x = 58,887,748.05

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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.