Home / 103,508,045.70-155,130,192.45-55,009,133.70

Finding the Fourth Proportional to 103,508,045.70, 155,130,192.45 and 55,009,133.70

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Solution

The fourth proportional to 103,508,045.70, 155,130,192.45 and 55,009,133.70 is: 82,443,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,508,045.70 : 155,130,192.45 = 55,009,133.70 : x
  2. Step 2: Convert to fraction form
    103,508,045.70/155,130,192.45 = 55,009,133.70/x
  3. Step 3: Cross multiply
    103,508,045.70x = 155,130,192.45 × 55,009,133.70
  4. Step 4: Simplify right side
    103,508,045.70x = 8,533,577,497,388,780
  5. Step 5: Solve for x
    x = 8,533,577,497,388,780/103,508,045.70
  6. Step 6: Final answer
    x = 82,443,615.27

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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.