Home / 100,020,042.24-150,035,875.92-38,609,548.80

Finding the Fourth Proportional to 100,020,042.24, 150,035,875.92 and 38,609,548.80

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Solution

The fourth proportional to 100,020,042.24, 150,035,875.92 and 38,609,548.80 is: 57,916,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,020,042.24 : 150,035,875.92 = 38,609,548.80 : x
  2. Step 2: Convert to fraction form
    100,020,042.24/150,035,875.92 = 38,609,548.80/x
  3. Step 3: Cross multiply
    100,020,042.24x = 150,035,875.92 × 38,609,548.80
  4. Step 4: Simplify right side
    100,020,042.24x = 5,792,817,473,083,984
  5. Step 5: Solve for x
    x = 5,792,817,473,083,984/100,020,042.24
  6. Step 6: Final answer
    x = 57,916,566.95

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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.