Home / 137,935,531.80-206,889,863.04-56,059,319.16

Finding the Fourth Proportional to 137,935,531.80, 206,889,863.04 and 56,059,319.16

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Solution

The fourth proportional to 137,935,531.80, 206,889,863.04 and 56,059,319.16 is: 84,083,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,935,531.80 : 206,889,863.04 = 56,059,319.16 : x
  2. Step 2: Convert to fraction form
    137,935,531.80/206,889,863.04 = 56,059,319.16/x
  3. Step 3: Cross multiply
    137,935,531.80x = 206,889,863.04 × 56,059,319.16
  4. Step 4: Simplify right side
    137,935,531.80x = 11,598,104,863,128,046
  5. Step 5: Solve for x
    x = 11,598,104,863,128,046/137,935,531.80
  6. Step 6: Final answer
    x = 84,083,518.67

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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.