Home / 103,839,712.71-143,342,926.46-64,700,827.19

Finding the Fourth Proportional to 103,839,712.71, 143,342,926.46 and 64,700,827.19

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Solution

The fourth proportional to 103,839,712.71, 143,342,926.46 and 64,700,827.19 is: 89,314,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,712.71 : 143,342,926.46 = 64,700,827.19 : x
  2. Step 2: Convert to fraction form
    103,839,712.71/143,342,926.46 = 64,700,827.19/x
  3. Step 3: Cross multiply
    103,839,712.71x = 143,342,926.46 × 64,700,827.19
  4. Step 4: Simplify right side
    103,839,712.71x = 9,274,405,914,343,588
  5. Step 5: Solve for x
    x = 9,274,405,914,343,588/103,839,712.71
  6. Step 6: Final answer
    x = 89,314,633.80

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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.