Home / 190,392,065.28-285,588,161.28-52,219,111.32

Finding the Fourth Proportional to 190,392,065.28, 285,588,161.28 and 52,219,111.32

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Solution

The fourth proportional to 190,392,065.28, 285,588,161.28 and 52,219,111.32 is: 78,328,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,392,065.28 : 285,588,161.28 = 52,219,111.32 : x
  2. Step 2: Convert to fraction form
    190,392,065.28/285,588,161.28 = 52,219,111.32/x
  3. Step 3: Cross multiply
    190,392,065.28x = 285,588,161.28 × 52,219,111.32
  4. Step 4: Simplify right side
    190,392,065.28x = 14,913,159,985,554,432
  5. Step 5: Solve for x
    x = 14,913,159,985,554,432/190,392,065.28
  6. Step 6: Final answer
    x = 78,328,684.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.