Home / 138,401,314.56-207,602,173.80-56,520,193.77

Finding the Fourth Proportional to 138,401,314.56, 207,602,173.80 and 56,520,193.77

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Solution

The fourth proportional to 138,401,314.56, 207,602,173.80 and 56,520,193.77 is: 84,780,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,401,314.56 : 207,602,173.80 = 56,520,193.77 : x
  2. Step 2: Convert to fraction form
    138,401,314.56/207,602,173.80 = 56,520,193.77/x
  3. Step 3: Cross multiply
    138,401,314.56x = 207,602,173.80 × 56,520,193.77
  4. Step 4: Simplify right side
    138,401,314.56x = 11,733,715,090,249,218
  5. Step 5: Solve for x
    x = 11,733,715,090,249,218/138,401,314.56
  6. Step 6: Final answer
    x = 84,780,373.13

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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.