Home / 82,687,485.15-114,110,180.69-45,011,732.49

Finding the Fourth Proportional to 82,687,485.15, 114,110,180.69 and 45,011,732.49

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Solution

The fourth proportional to 82,687,485.15, 114,110,180.69 and 45,011,732.49 is: 62,116,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,485.15 : 114,110,180.69 = 45,011,732.49 : x
  2. Step 2: Convert to fraction form
    82,687,485.15/114,110,180.69 = 45,011,732.49/x
  3. Step 3: Cross multiply
    82,687,485.15x = 114,110,180.69 × 45,011,732.49
  4. Step 4: Simplify right side
    82,687,485.15x = 5,136,296,927,378,785
  5. Step 5: Solve for x
    x = 5,136,296,927,378,785/82,687,485.15
  6. Step 6: Final answer
    x = 62,116,980.80

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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.