Home / 136,695,030.74-188,638,463.48-73,971,084.50

Finding the Fourth Proportional to 136,695,030.74, 188,638,463.48 and 73,971,084.50

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Solution

The fourth proportional to 136,695,030.74, 188,638,463.48 and 73,971,084.50 is: 102,079,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,695,030.74 : 188,638,463.48 = 73,971,084.50 : x
  2. Step 2: Convert to fraction form
    136,695,030.74/188,638,463.48 = 73,971,084.50/x
  3. Step 3: Cross multiply
    136,695,030.74x = 188,638,463.48 × 73,971,084.50
  4. Step 4: Simplify right side
    136,695,030.74x = 13,953,791,722,029,244
  5. Step 5: Solve for x
    x = 13,953,791,722,029,244/136,695,030.74
  6. Step 6: Final answer
    x = 102,079,729.21

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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.