Home / 89,060,812.80-133,577,222.40-31,544,851.20

Finding the Fourth Proportional to 89,060,812.80, 133,577,222.40 and 31,544,851.20

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Solution

The fourth proportional to 89,060,812.80, 133,577,222.40 and 31,544,851.20 is: 47,312,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,060,812.80 : 133,577,222.40 = 31,544,851.20 : x
  2. Step 2: Convert to fraction form
    89,060,812.80/133,577,222.40 = 31,544,851.20/x
  3. Step 3: Cross multiply
    89,060,812.80x = 133,577,222.40 × 31,544,851.20
  4. Step 4: Simplify right side
    89,060,812.80x = 4,213,673,604,317,307
  5. Step 5: Solve for x
    x = 4,213,673,604,317,307/89,060,812.80
  6. Step 6: Final answer
    x = 47,312,319.21

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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.