Home / 70,202,424.14-105,217,390.02-39,432,322.58

Finding the Fourth Proportional to 70,202,424.14, 105,217,390.02 and 39,432,322.58

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Solution

The fourth proportional to 70,202,424.14, 105,217,390.02 and 39,432,322.58 is: 59,100,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,202,424.14 : 105,217,390.02 = 39,432,322.58 : x
  2. Step 2: Convert to fraction form
    70,202,424.14/105,217,390.02 = 39,432,322.58/x
  3. Step 3: Cross multiply
    70,202,424.14x = 105,217,390.02 × 39,432,322.58
  4. Step 4: Simplify right side
    70,202,424.14x = 4,148,966,064,294,312.50
  5. Step 5: Solve for x
    x = 4,148,966,064,294,312.50/70,202,424.14
  6. Step 6: Final answer
    x = 59,100,039.85

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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.