Home / 56,254,146.40-84,389,639.28-20,360,752.48

Finding the Fourth Proportional to 56,254,146.40, 84,389,639.28 and 20,360,752.48

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Solution

The fourth proportional to 56,254,146.40, 84,389,639.28 and 20,360,752.48 is: 30,544,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,254,146.40 : 84,389,639.28 = 20,360,752.48 : x
  2. Step 2: Convert to fraction form
    56,254,146.40/84,389,639.28 = 20,360,752.48/x
  3. Step 3: Cross multiply
    56,254,146.40x = 84,389,639.28 × 20,360,752.48
  4. Step 4: Simplify right side
    56,254,146.40x = 1,718,236,557,256,565.50
  5. Step 5: Solve for x
    x = 1,718,236,557,256,565.50/56,254,146.40
  6. Step 6: Final answer
    x = 30,544,176.16

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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.