Home / 43,018,051.20-64,527,076.80-38,315,126.40

Finding the Fourth Proportional to 43,018,051.20, 64,527,076.80 and 38,315,126.40

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Solution

The fourth proportional to 43,018,051.20, 64,527,076.80 and 38,315,126.40 is: 57,472,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,018,051.20 : 64,527,076.80 = 38,315,126.40 : x
  2. Step 2: Convert to fraction form
    43,018,051.20/64,527,076.80 = 38,315,126.40/x
  3. Step 3: Cross multiply
    43,018,051.20x = 64,527,076.80 × 38,315,126.40
  4. Step 4: Simplify right side
    43,018,051.20x = 2,472,363,103,814,507.50
  5. Step 5: Solve for x
    x = 2,472,363,103,814,507.50/43,018,051.20
  6. Step 6: Final answer
    x = 57,472,689.60

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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.