Home / 103,916,288.16-143,404,756.80-57,509,742.24

Finding the Fourth Proportional to 103,916,288.16, 143,404,756.80 and 57,509,742.24

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Solution

The fourth proportional to 103,916,288.16, 143,404,756.80 and 57,509,742.24 is: 79,363,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,916,288.16 : 143,404,756.80 = 57,509,742.24 : x
  2. Step 2: Convert to fraction form
    103,916,288.16/143,404,756.80 = 57,509,742.24/x
  3. Step 3: Cross multiply
    103,916,288.16x = 143,404,756.80 × 57,509,742.24
  4. Step 4: Simplify right side
    103,916,288.16x = 8,247,170,599,557,888
  5. Step 5: Solve for x
    x = 8,247,170,599,557,888/103,916,288.16
  6. Step 6: Final answer
    x = 79,363,598.77

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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.