Home / 74,886,653.40-112,329,980.10-62,793,418.20

Finding the Fourth Proportional to 74,886,653.40, 112,329,980.10 and 62,793,418.20

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Solution

The fourth proportional to 74,886,653.40, 112,329,980.10 and 62,793,418.20 is: 94,190,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,653.40 : 112,329,980.10 = 62,793,418.20 : x
  2. Step 2: Convert to fraction form
    74,886,653.40/112,329,980.10 = 62,793,418.20/x
  3. Step 3: Cross multiply
    74,886,653.40x = 112,329,980.10 × 62,793,418.20
  4. Step 4: Simplify right side
    74,886,653.40x = 7,053,583,416,816,978
  5. Step 5: Solve for x
    x = 7,053,583,416,816,978/74,886,653.40
  6. Step 6: Final answer
    x = 94,190,127.30

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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.