Home / 145,782,240-201,183,690.24-80,596,343.04

Finding the Fourth Proportional to 145,782,240, 201,183,690.24 and 80,596,343.04

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Solution

The fourth proportional to 145,782,240, 201,183,690.24 and 80,596,343.04 is: 111,225,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,782,240 : 201,183,690.24 = 80,596,343.04 : x
  2. Step 2: Convert to fraction form
    145,782,240/201,183,690.24 = 80,596,343.04/x
  3. Step 3: Cross multiply
    145,782,240x = 201,183,690.24 × 80,596,343.04
  4. Step 4: Simplify right side
    145,782,240x = 16,214,669,712,636,142
  5. Step 5: Solve for x
    x = 16,214,669,712,636,142/145,782,240
  6. Step 6: Final answer
    x = 111,225,274.85

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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.