Home / 81,852,030.30-122,778,045.45-56,023,997.70

Finding the Fourth Proportional to 81,852,030.30, 122,778,045.45 and 56,023,997.70

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Solution

The fourth proportional to 81,852,030.30, 122,778,045.45 and 56,023,997.70 is: 84,035,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,852,030.30 : 122,778,045.45 = 56,023,997.70 : x
  2. Step 2: Convert to fraction form
    81,852,030.30/122,778,045.45 = 56,023,997.70/x
  3. Step 3: Cross multiply
    81,852,030.30x = 122,778,045.45 × 56,023,997.70
  4. Step 4: Simplify right side
    81,852,030.30x = 6,878,516,935,901,296
  5. Step 5: Solve for x
    x = 6,878,516,935,901,296/81,852,030.30
  6. Step 6: Final answer
    x = 84,035,996.55

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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.