Home / 109,749,168.16-151,442,934.80-63,354,368.64

Finding the Fourth Proportional to 109,749,168.16, 151,442,934.80 and 63,354,368.64

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Solution

The fourth proportional to 109,749,168.16, 151,442,934.80 and 63,354,368.64 is: 87,422,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749,168.16 : 151,442,934.80 = 63,354,368.64 : x
  2. Step 2: Convert to fraction form
    109,749,168.16/151,442,934.80 = 63,354,368.64/x
  3. Step 3: Cross multiply
    109,749,168.16x = 151,442,934.80 × 63,354,368.64
  4. Step 4: Simplify right side
    109,749,168.16x = 9,594,571,519,242,686
  5. Step 5: Solve for x
    x = 9,594,571,519,242,686/109,749,168.16
  6. Step 6: Final answer
    x = 87,422,726.57

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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.