Home / 56,785,430.10-85,178,145.15-31,216,559.70

Finding the Fourth Proportional to 56,785,430.10, 85,178,145.15 and 31,216,559.70

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Solution

The fourth proportional to 56,785,430.10, 85,178,145.15 and 31,216,559.70 is: 46,824,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785,430.10 : 85,178,145.15 = 31,216,559.70 : x
  2. Step 2: Convert to fraction form
    56,785,430.10/85,178,145.15 = 31,216,559.70/x
  3. Step 3: Cross multiply
    56,785,430.10x = 85,178,145.15 × 31,216,559.70
  4. Step 4: Simplify right side
    56,785,430.10x = 2,658,968,653,210,240.50
  5. Step 5: Solve for x
    x = 2,658,968,653,210,240.50/56,785,430.10
  6. Step 6: Final answer
    x = 46,824,839.55

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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.