Home / 70,509,396.15-105,768,953.01-29,527,572.51

Finding the Fourth Proportional to 70,509,396.15, 105,768,953.01 and 29,527,572.51

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Solution

The fourth proportional to 70,509,396.15, 105,768,953.01 and 29,527,572.51 is: 44,293,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,509,396.15 : 105,768,953.01 = 29,527,572.51 : x
  2. Step 2: Convert to fraction form
    70,509,396.15/105,768,953.01 = 29,527,572.51/x
  3. Step 3: Cross multiply
    70,509,396.15x = 105,768,953.01 × 29,527,572.51
  4. Step 4: Simplify right side
    70,509,396.15x = 3,123,100,429,309,558
  5. Step 5: Solve for x
    x = 3,123,100,429,309,558/70,509,396.15
  6. Step 6: Final answer
    x = 44,293,393.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.