Home / 72,594,906,372.36-100,181,282,248.24-39,598,712,802.81

Finding the Fourth Proportional to 72,594,906,372.36, 100,181,282,248.24 and 39,598,712,802.81

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Solution

The fourth proportional to 72,594,906,372.36, 100,181,282,248.24 and 39,598,712,802.81 is: 54,646,393,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594,906,372.36 : 100,181,282,248.24 = 39,598,712,802.81 : x
  2. Step 2: Convert to fraction form
    72,594,906,372.36/100,181,282,248.24 = 39,598,712,802.81/x
  3. Step 3: Cross multiply
    72,594,906,372.36x = 100,181,282,248.24 × 39,598,712,802.81
  4. Step 4: Simplify right side
    72,594,906,372.36x = 3,967,049,823,965,303,275,520
  5. Step 5: Solve for x
    x = 3,967,049,823,965,303,275,520/72,594,906,372.36
  6. Step 6: Final answer
    x = 54,646,393,558.49

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1.5x scale

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.