Home / 292,780,846.61-439,155,104.61-214,078,005.28

Finding the Fourth Proportional to 292,780,846.61, 439,155,104.61 and 214,078,005.28

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Solution

The fourth proportional to 292,780,846.61, 439,155,104.61 and 214,078,005.28 is: 321,105,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,780,846.61 : 439,155,104.61 = 214,078,005.28 : x
  2. Step 2: Convert to fraction form
    292,780,846.61/439,155,104.61 = 214,078,005.28/x
  3. Step 3: Cross multiply
    292,780,846.61x = 439,155,104.61 × 214,078,005.28
  4. Step 4: Simplify right side
    292,780,846.61x = 94,013,448,804,219,728
  5. Step 5: Solve for x
    x = 94,013,448,804,219,728/292,780,846.61
  6. Step 6: Final answer
    x = 321,105,188.03

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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.