Home / 74,889,967.20-112,334,950.80-61,285,077.60

Finding the Fourth Proportional to 74,889,967.20, 112,334,950.80 and 61,285,077.60

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Solution

The fourth proportional to 74,889,967.20, 112,334,950.80 and 61,285,077.60 is: 91,927,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,967.20 : 112,334,950.80 = 61,285,077.60 : x
  2. Step 2: Convert to fraction form
    74,889,967.20/112,334,950.80 = 61,285,077.60/x
  3. Step 3: Cross multiply
    74,889,967.20x = 112,334,950.80 × 61,285,077.60
  4. Step 4: Simplify right side
    74,889,967.20x = 6,884,456,176,970,182
  5. Step 5: Solve for x
    x = 6,884,456,176,970,182/74,889,967.20
  6. Step 6: Final answer
    x = 91,927,616.40

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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.