Home / 105,187,872.60-145,156,477.14-58,778,507.88

Finding the Fourth Proportional to 105,187,872.60, 145,156,477.14 and 58,778,507.88

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Solution

The fourth proportional to 105,187,872.60, 145,156,477.14 and 58,778,507.88 is: 81,112,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,872.60 : 145,156,477.14 = 58,778,507.88 : x
  2. Step 2: Convert to fraction form
    105,187,872.60/145,156,477.14 = 58,778,507.88/x
  3. Step 3: Cross multiply
    105,187,872.60x = 145,156,477.14 × 58,778,507.88
  4. Step 4: Simplify right side
    105,187,872.60x = 8,532,081,135,406,529
  5. Step 5: Solve for x
    x = 8,532,081,135,406,529/105,187,872.60
  6. Step 6: Final answer
    x = 81,112,783.48

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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.