Home / 51,520,009.40-77,280,014.10-36,403,465.40

Finding the Fourth Proportional to 51,520,009.40, 77,280,014.10 and 36,403,465.40

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Solution

The fourth proportional to 51,520,009.40, 77,280,014.10 and 36,403,465.40 is: 54,605,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520,009.40 : 77,280,014.10 = 36,403,465.40 : x
  2. Step 2: Convert to fraction form
    51,520,009.40/77,280,014.10 = 36,403,465.40/x
  3. Step 3: Cross multiply
    51,520,009.40x = 77,280,014.10 × 36,403,465.40
  4. Step 4: Simplify right side
    51,520,009.40x = 2,813,260,319,400,862
  5. Step 5: Solve for x
    x = 2,813,260,319,400,862/51,520,009.40
  6. Step 6: Final answer
    x = 54,605,198.10

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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.