Home / 73,749,172.20-101,773,877.93-40,709,442.70

Finding the Fourth Proportional to 73,749,172.20, 101,773,877.93 and 40,709,442.70

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Solution

The fourth proportional to 73,749,172.20, 101,773,877.93 and 40,709,442.70 is: 56,179,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749,172.20 : 101,773,877.93 = 40,709,442.70 : x
  2. Step 2: Convert to fraction form
    73,749,172.20/101,773,877.93 = 40,709,442.70/x
  3. Step 3: Cross multiply
    73,749,172.20x = 101,773,877.93 × 40,709,442.70
  4. Step 4: Simplify right side
    73,749,172.20x = 4,143,157,851,948,130
  5. Step 5: Solve for x
    x = 4,143,157,851,948,130/73,749,172.20
  6. Step 6: Final answer
    x = 56,179,042.13

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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.