Home / 82,242,068.52-123,233,323.50-30,355,254.84

Finding the Fourth Proportional to 82,242,068.52, 123,233,323.50 and 30,355,254.84

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Solution

The fourth proportional to 82,242,068.52, 123,233,323.50 and 30,355,254.84 is: 45,484,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,242,068.52 : 123,233,323.50 = 30,355,254.84 : x
  2. Step 2: Convert to fraction form
    82,242,068.52/123,233,323.50 = 30,355,254.84/x
  3. Step 3: Cross multiply
    82,242,068.52x = 123,233,323.50 × 30,355,254.84
  4. Step 4: Simplify right side
    82,242,068.52x = 3,740,778,939,622,660.50
  5. Step 5: Solve for x
    x = 3,740,778,939,622,660.50/82,242,068.52
  6. Step 6: Final answer
    x = 45,484,981.19

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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.