Home / 77,309,138-106,683,892.08-42,501,575

Finding the Fourth Proportional to 77,309,138, 106,683,892.08 and 42,501,575

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Solution

The fourth proportional to 77,309,138, 106,683,892.08 and 42,501,575 is: 58,650,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,138 : 106,683,892.08 = 42,501,575 : x
  2. Step 2: Convert to fraction form
    77,309,138/106,683,892.08 = 42,501,575/x
  3. Step 3: Cross multiply
    77,309,138x = 106,683,892.08 × 42,501,575
  4. Step 4: Simplify right side
    77,309,138x = 4,534,233,440,530,026
  5. Step 5: Solve for x
    x = 4,534,233,440,530,026/77,309,138
  6. Step 6: Final answer
    x = 58,650,679.05

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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.