Home / 51,315,458.72-70,788,485.04-31,730,086.40

Finding the Fourth Proportional to 51,315,458.72, 70,788,485.04 and 31,730,086.40

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Solution

The fourth proportional to 51,315,458.72, 70,788,485.04 and 31,730,086.40 is: 43,770,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315,458.72 : 70,788,485.04 = 31,730,086.40 : x
  2. Step 2: Convert to fraction form
    51,315,458.72/70,788,485.04 = 31,730,086.40/x
  3. Step 3: Cross multiply
    51,315,458.72x = 70,788,485.04 × 31,730,086.40
  4. Step 4: Simplify right side
    51,315,458.72x = 2,246,124,746,444,307.50
  5. Step 5: Solve for x
    x = 2,246,124,746,444,307.50/51,315,458.72
  6. Step 6: Final answer
    x = 43,770,918.21

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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.