Home / 128,042,899.88-176,699,210.48-70,096,147.88

Finding the Fourth Proportional to 128,042,899.88, 176,699,210.48 and 70,096,147.88

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Solution

The fourth proportional to 128,042,899.88, 176,699,210.48 and 70,096,147.88 is: 96,732,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,042,899.88 : 176,699,210.48 = 70,096,147.88 : x
  2. Step 2: Convert to fraction form
    128,042,899.88/176,699,210.48 = 70,096,147.88/x
  3. Step 3: Cross multiply
    128,042,899.88x = 176,699,210.48 × 70,096,147.88
  4. Step 4: Simplify right side
    128,042,899.88x = 12,385,933,986,851,348
  5. Step 5: Solve for x
    x = 12,385,933,986,851,348/128,042,899.88
  6. Step 6: Final answer
    x = 96,732,688.80

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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.