Home / 38,862,312.40-58,256,143.80-30,221,621.20

Finding the Fourth Proportional to 38,862,312.40, 58,256,143.80 and 30,221,621.20

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Solution

The fourth proportional to 38,862,312.40, 58,256,143.80 and 30,221,621.20 is: 45,303,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862,312.40 : 58,256,143.80 = 30,221,621.20 : x
  2. Step 2: Convert to fraction form
    38,862,312.40/58,256,143.80 = 30,221,621.20/x
  3. Step 3: Cross multiply
    38,862,312.40x = 58,256,143.80 × 30,221,621.20
  4. Step 4: Simplify right side
    38,862,312.40x = 1,760,595,110,496,328.50
  5. Step 5: Solve for x
    x = 1,760,595,110,496,328.50/38,862,312.40
  6. Step 6: Final answer
    x = 45,303,405.84

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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.