Home / 81,736,210.20-122,465,574.45-49,319,998.05

Finding the Fourth Proportional to 81,736,210.20, 122,465,574.45 and 49,319,998.05

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Solution

The fourth proportional to 81,736,210.20, 122,465,574.45 and 49,319,998.05 is: 73,896,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,736,210.20 : 122,465,574.45 = 49,319,998.05 : x
  2. Step 2: Convert to fraction form
    81,736,210.20/122,465,574.45 = 49,319,998.05/x
  3. Step 3: Cross multiply
    81,736,210.20x = 122,465,574.45 × 49,319,998.05
  4. Step 4: Simplify right side
    81,736,210.20x = 6,040,001,893,066,130
  5. Step 5: Solve for x
    x = 6,040,001,893,066,130/81,736,210.20
  6. Step 6: Final answer
    x = 73,896,280.22

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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.