Home / 154,374,457.48-213,040,449.54-83,813,036.16

Finding the Fourth Proportional to 154,374,457.48, 213,040,449.54 and 83,813,036.16

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Solution

The fourth proportional to 154,374,457.48, 213,040,449.54 and 83,813,036.16 is: 115,663,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,374,457.48 : 213,040,449.54 = 83,813,036.16 : x
  2. Step 2: Convert to fraction form
    154,374,457.48/213,040,449.54 = 83,813,036.16/x
  3. Step 3: Cross multiply
    154,374,457.48x = 213,040,449.54 × 83,813,036.16
  4. Step 4: Simplify right side
    154,374,457.48x = 17,855,566,900,838,674
  5. Step 5: Solve for x
    x = 17,855,566,900,838,674/154,374,457.48
  6. Step 6: Final answer
    x = 115,663,997.74

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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.