Home / 51,312,392.37-70,784,255.03-31,727,020.05

Finding the Fourth Proportional to 51,312,392.37, 70,784,255.03 and 31,727,020.05

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Solution

The fourth proportional to 51,312,392.37, 70,784,255.03 and 31,727,020.05 is: 43,766,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312,392.37 : 70,784,255.03 = 31,727,020.05 : x
  2. Step 2: Convert to fraction form
    51,312,392.37/70,784,255.03 = 31,727,020.05/x
  3. Step 3: Cross multiply
    51,312,392.37x = 70,784,255.03 × 31,727,020.05
  4. Step 4: Simplify right side
    51,312,392.37x = 2,245,773,478,402,488.50
  5. Step 5: Solve for x
    x = 2,245,773,478,402,488.50/51,312,392.37
  6. Step 6: Final answer
    x = 43,766,688.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.