Home / 145,787,904-201,191,506.56-80,602,007.04

Finding the Fourth Proportional to 145,787,904, 201,191,506.56 and 80,602,007.04

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Solution

The fourth proportional to 145,787,904, 201,191,506.56 and 80,602,007.04 is: 111,233,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,787,904 : 201,191,506.56 = 80,602,007.04 : x
  2. Step 2: Convert to fraction form
    145,787,904/201,191,506.56 = 80,602,007.04/x
  3. Step 3: Cross multiply
    145,787,904x = 201,191,506.56 × 80,602,007.04
  4. Step 4: Simplify right side
    145,787,904x = 16,216,439,228,137,328
  5. Step 5: Solve for x
    x = 16,216,439,228,137,328/145,787,904
  6. Step 6: Final answer
    x = 111,233,091.25

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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.