Home / 180,439,170.54-248,977,612.95-105,097,897.90

Finding the Fourth Proportional to 180,439,170.54, 248,977,612.95 and 105,097,897.90

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Solution

The fourth proportional to 180,439,170.54, 248,977,612.95 and 105,097,897.90 is: 145,018,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,439,170.54 : 248,977,612.95 = 105,097,897.90 : x
  2. Step 2: Convert to fraction form
    180,439,170.54/248,977,612.95 = 105,097,897.90/x
  3. Step 3: Cross multiply
    180,439,170.54x = 248,977,612.95 × 105,097,897.90
  4. Step 4: Simplify right side
    180,439,170.54x = 26,167,023,745,204,820
  5. Step 5: Solve for x
    x = 26,167,023,745,204,820/180,439,170.54
  6. Step 6: Final answer
    x = 145,018,532.66

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1.5x scale

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.