Home / 151,600,336.43-209,209,094.58-81,985,717.28

Finding the Fourth Proportional to 151,600,336.43, 209,209,094.58 and 81,985,717.28

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Solution

The fourth proportional to 151,600,336.43, 209,209,094.58 and 81,985,717.28 is: 113,140,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600,336.43 : 209,209,094.58 = 81,985,717.28 : x
  2. Step 2: Convert to fraction form
    151,600,336.43/209,209,094.58 = 81,985,717.28/x
  3. Step 3: Cross multiply
    151,600,336.43x = 209,209,094.58 × 81,985,717.28
  4. Step 4: Simplify right side
    151,600,336.43x = 17,152,157,679,594,618
  5. Step 5: Solve for x
    x = 17,152,157,679,594,618/151,600,336.43
  6. Step 6: Final answer
    x = 113,140,630.71

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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.