Home / 151,600,218.63-209,208,932.15-81,985,599.51

Finding the Fourth Proportional to 151,600,218.63, 209,208,932.15 and 81,985,599.51

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Solution

The fourth proportional to 151,600,218.63, 209,208,932.15 and 81,985,599.51 is: 113,140,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600,218.63 : 209,208,932.15 = 81,985,599.51 : x
  2. Step 2: Convert to fraction form
    151,600,218.63/209,208,932.15 = 81,985,599.51/x
  3. Step 3: Cross multiply
    151,600,218.63x = 209,208,932.15 × 81,985,599.51
  4. Step 4: Simplify right side
    151,600,218.63x = 17,152,119,725,164,664
  5. Step 5: Solve for x
    x = 17,152,119,725,164,664/151,600,218.63
  6. Step 6: Final answer
    x = 113,140,468.27

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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.