Home / 77,369,161.08-106,766,076.06-42,559,644.36

Finding the Fourth Proportional to 77,369,161.08, 106,766,076.06 and 42,559,644.36

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Solution

The fourth proportional to 77,369,161.08, 106,766,076.06 and 42,559,644.36 is: 58,730,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,369,161.08 : 106,766,076.06 = 42,559,644.36 : x
  2. Step 2: Convert to fraction form
    77,369,161.08/106,766,076.06 = 42,559,644.36/x
  3. Step 3: Cross multiply
    77,369,161.08x = 106,766,076.06 × 42,559,644.36
  4. Step 4: Simplify right side
    77,369,161.08x = 4,543,926,226,826,310
  5. Step 5: Solve for x
    x = 4,543,926,226,826,310/77,369,161.08
  6. Step 6: Final answer
    x = 58,730,457.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.