Home / 105,708,672,004.80-158,563,008,007.20-74,301,784,363.20

Finding the Fourth Proportional to 105,708,672,004.80, 158,563,008,007.20 and 74,301,784,363.20

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Solution

The fourth proportional to 105,708,672,004.80, 158,563,008,007.20 and 74,301,784,363.20 is: 111,452,676,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,708,672,004.80 : 158,563,008,007.20 = 74,301,784,363.20 : x
  2. Step 2: Convert to fraction form
    105,708,672,004.80/158,563,008,007.20 = 74,301,784,363.20/x
  3. Step 3: Cross multiply
    105,708,672,004.80x = 158,563,008,007.20 × 74,301,784,363.20
  4. Step 4: Simplify right side
    105,708,672,004.80x = 11,781,514,428,931,328,966,656
  5. Step 5: Solve for x
    x = 11,781,514,428,931,328,966,656/105,708,672,004.80
  6. Step 6: Final answer
    x = 111,452,676,544.80

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1.5x scale

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.