Home / 105,708,672,006.80-158,563,008,010.20-74,301,784,365.20

Finding the Fourth Proportional to 105,708,672,006.80, 158,563,008,010.20 and 74,301,784,365.20

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Solution

The fourth proportional to 105,708,672,006.80, 158,563,008,010.20 and 74,301,784,365.20 is: 111,452,676,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,708,672,006.80 : 158,563,008,010.20 = 74,301,784,365.20 : x
  2. Step 2: Convert to fraction form
    105,708,672,006.80/158,563,008,010.20 = 74,301,784,365.20/x
  3. Step 3: Cross multiply
    105,708,672,006.80x = 158,563,008,010.20 × 74,301,784,365.20
  4. Step 4: Simplify right side
    105,708,672,006.80x = 11,781,514,429,471,360,286,720
  5. Step 5: Solve for x
    x = 11,781,514,429,471,360,286,720/105,708,672,006.80
  6. Step 6: Final answer
    x = 111,452,676,547.80

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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.