Home / 74,644,403.40-111,966,605.10-61,889,819.40

Finding the Fourth Proportional to 74,644,403.40, 111,966,605.10 and 61,889,819.40

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Solution

The fourth proportional to 74,644,403.40, 111,966,605.10 and 61,889,819.40 is: 92,834,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644,403.40 : 111,966,605.10 = 61,889,819.40 : x
  2. Step 2: Convert to fraction form
    74,644,403.40/111,966,605.10 = 61,889,819.40/x
  3. Step 3: Cross multiply
    74,644,403.40x = 111,966,605.10 × 61,889,819.40
  4. Step 4: Simplify right side
    74,644,403.40x = 6,929,592,968,470,118
  5. Step 5: Solve for x
    x = 6,929,592,968,470,118/74,644,403.40
  6. Step 6: Final answer
    x = 92,834,729.10

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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.