Home / 109,290,812.35-163,936,923.17-43,717,428.20

Finding the Fourth Proportional to 109,290,812.35, 163,936,923.17 and 43,717,428.20

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Solution

The fourth proportional to 109,290,812.35, 163,936,923.17 and 43,717,428.20 is: 65,576,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290,812.35 : 163,936,923.17 = 43,717,428.20 : x
  2. Step 2: Convert to fraction form
    109,290,812.35/163,936,923.17 = 43,717,428.20/x
  3. Step 3: Cross multiply
    109,290,812.35x = 163,936,923.17 × 43,717,428.20
  4. Step 4: Simplify right side
    109,290,812.35x = 7,166,900,668,013,391
  5. Step 5: Solve for x
    x = 7,166,900,668,013,391/109,290,812.35
  6. Step 6: Final answer
    x = 65,576,424.17

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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.