Home / 105,720,141.60-158,580,212.40-73,471,514.40

Finding the Fourth Proportional to 105,720,141.60, 158,580,212.40 and 73,471,514.40

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Solution

The fourth proportional to 105,720,141.60, 158,580,212.40 and 73,471,514.40 is: 110,207,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,720,141.60 : 158,580,212.40 = 73,471,514.40 : x
  2. Step 2: Convert to fraction form
    105,720,141.60/158,580,212.40 = 73,471,514.40/x
  3. Step 3: Cross multiply
    105,720,141.60x = 158,580,212.40 × 73,471,514.40
  4. Step 4: Simplify right side
    105,720,141.60x = 11,651,128,358,901,660
  5. Step 5: Solve for x
    x = 11,651,128,358,901,660/105,720,141.60
  6. Step 6: Final answer
    x = 110,207,271.60

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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.