Home / 49,957,047.32-68,922,428.83-30,115,199.28

Finding the Fourth Proportional to 49,957,047.32, 68,922,428.83 and 30,115,199.28

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Solution

The fourth proportional to 49,957,047.32, 68,922,428.83 and 30,115,199.28 is: 41,547,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957,047.32 : 68,922,428.83 = 30,115,199.28 : x
  2. Step 2: Convert to fraction form
    49,957,047.32/68,922,428.83 = 30,115,199.28/x
  3. Step 3: Cross multiply
    49,957,047.32x = 68,922,428.83 × 30,115,199.28
  4. Step 4: Simplify right side
    49,957,047.32x = 2,075,612,679,001,779.25
  5. Step 5: Solve for x
    x = 2,075,612,679,001,779.25/49,957,047.32
  6. Step 6: Final answer
    x = 41,547,945.49

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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.