Home / 42,385,420.17-63,485,435.28-30,051,998.37

Finding the Fourth Proportional to 42,385,420.17, 63,485,435.28 and 30,051,998.37

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Solution

The fourth proportional to 42,385,420.17, 63,485,435.28 and 30,051,998.37 is: 45,012,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385,420.17 : 63,485,435.28 = 30,051,998.37 : x
  2. Step 2: Convert to fraction form
    42,385,420.17/63,485,435.28 = 30,051,998.37/x
  3. Step 3: Cross multiply
    42,385,420.17x = 63,485,435.28 × 30,051,998.37
  4. Step 4: Simplify right side
    42,385,420.17x = 1,907,864,197,553,300.50
  5. Step 5: Solve for x
    x = 1,907,864,197,553,300.50/42,385,420.17
  6. Step 6: Final answer
    x = 45,012,275.21

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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.