Home / 31,432,150.49-47,148,238.81-14,140,153.70

Finding the Fourth Proportional to 31,432,150.49, 47,148,238.81 and 14,140,153.70

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Solution

The fourth proportional to 31,432,150.49, 47,148,238.81 and 14,140,153.70 is: 21,210,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,150.49 : 47,148,238.81 = 14,140,153.70 : x
  2. Step 2: Convert to fraction form
    31,432,150.49/47,148,238.81 = 14,140,153.70/x
  3. Step 3: Cross multiply
    31,432,150.49x = 47,148,238.81 × 14,140,153.70
  4. Step 4: Simplify right side
    31,432,150.49x = 666,683,343,457,705.12
  5. Step 5: Solve for x
    x = 666,683,343,457,705.12/31,432,150.49
  6. Step 6: Final answer
    x = 21,210,236.43

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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.