Home / 105,119,463.80-145,050,529.20-58,703,800.52

Finding the Fourth Proportional to 105,119,463.80, 145,050,529.20 and 58,703,800.52

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Solution

The fourth proportional to 105,119,463.80, 145,050,529.20 and 58,703,800.52 is: 81,003,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,119,463.80 : 145,050,529.20 = 58,703,800.52 : x
  2. Step 2: Convert to fraction form
    105,119,463.80/145,050,529.20 = 58,703,800.52/x
  3. Step 3: Cross multiply
    105,119,463.80x = 145,050,529.20 × 58,703,800.52
  4. Step 4: Simplify right side
    105,119,463.80x = 8,515,017,331,477,235
  5. Step 5: Solve for x
    x = 8,515,017,331,477,235/105,119,463.80
  6. Step 6: Final answer
    x = 81,003,241.68

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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.