Home / 143,371,537.65-197,781,096.74-90,513,754.83

Finding the Fourth Proportional to 143,371,537.65, 197,781,096.74 and 90,513,754.83

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Solution

The fourth proportional to 143,371,537.65, 197,781,096.74 and 90,513,754.83 is: 124,863,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,371,537.65 : 197,781,096.74 = 90,513,754.83 : x
  2. Step 2: Convert to fraction form
    143,371,537.65/197,781,096.74 = 90,513,754.83/x
  3. Step 3: Cross multiply
    143,371,537.65x = 197,781,096.74 × 90,513,754.83
  4. Step 4: Simplify right side
    143,371,537.65x = 17,901,909,699,880,304
  5. Step 5: Solve for x
    x = 17,901,909,699,880,304/143,371,537.65
  6. Step 6: Final answer
    x = 124,863,763.01

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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.