Home / 60,509,085.40-90,751,818.30-20,119,569.40

Finding the Fourth Proportional to 60,509,085.40, 90,751,818.30 and 20,119,569.40

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Solution

The fourth proportional to 60,509,085.40, 90,751,818.30 and 20,119,569.40 is: 30,175,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509,085.40 : 90,751,818.30 = 20,119,569.40 : x
  2. Step 2: Convert to fraction form
    60,509,085.40/90,751,818.30 = 20,119,569.40/x
  3. Step 3: Cross multiply
    60,509,085.40x = 90,751,818.30 × 20,119,569.40
  4. Step 4: Simplify right side
    60,509,085.40x = 1,825,887,506,463,039.75
  5. Step 5: Solve for x
    x = 1,825,887,506,463,039.75/60,509,085.40
  6. Step 6: Final answer
    x = 30,175,427.28

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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.