Home / 259,802,972.64-358,528,071.96-155,381,027.76

Finding the Fourth Proportional to 259,802,972.64, 358,528,071.96 and 155,381,027.76

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Solution

The fourth proportional to 259,802,972.64, 358,528,071.96 and 155,381,027.76 is: 214,425,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,802,972.64 : 358,528,071.96 = 155,381,027.76 : x
  2. Step 2: Convert to fraction form
    259,802,972.64/358,528,071.96 = 155,381,027.76/x
  3. Step 3: Cross multiply
    259,802,972.64x = 358,528,071.96 × 155,381,027.76
  4. Step 4: Simplify right side
    259,802,972.64x = 55,708,460,301,956,032
  5. Step 5: Solve for x
    x = 55,708,460,301,956,032/259,802,972.64
  6. Step 6: Final answer
    x = 214,425,800.20

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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.