Home / 62,606,490.80-93,909,736.20-38,420,020.40

Finding the Fourth Proportional to 62,606,490.80, 93,909,736.20 and 38,420,020.40

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Solution

The fourth proportional to 62,606,490.80, 93,909,736.20 and 38,420,020.40 is: 57,630,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,606,490.80 : 93,909,736.20 = 38,420,020.40 : x
  2. Step 2: Convert to fraction form
    62,606,490.80/93,909,736.20 = 38,420,020.40/x
  3. Step 3: Cross multiply
    62,606,490.80x = 93,909,736.20 × 38,420,020.40
  4. Step 4: Simplify right side
    62,606,490.80x = 3,608,013,980,562,618.50
  5. Step 5: Solve for x
    x = 3,608,013,980,562,618.50/62,606,490.80
  6. Step 6: Final answer
    x = 57,630,030.60

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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.