Home / 74,886,787.40-112,330,181.10-61,281,897.80

Finding the Fourth Proportional to 74,886,787.40, 112,330,181.10 and 61,281,897.80

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Solution

The fourth proportional to 74,886,787.40, 112,330,181.10 and 61,281,897.80 is: 91,922,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,787.40 : 112,330,181.10 = 61,281,897.80 : x
  2. Step 2: Convert to fraction form
    74,886,787.40/112,330,181.10 = 61,281,897.80/x
  3. Step 3: Cross multiply
    74,886,787.40x = 112,330,181.10 × 61,281,897.80
  4. Step 4: Simplify right side
    74,886,787.40x = 6,883,806,678,025,691
  5. Step 5: Solve for x
    x = 6,883,806,678,025,691/74,886,787.40
  6. Step 6: Final answer
    x = 91,922,846.70

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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.