Home / 104,977,009.40-157,465,514.10-74,366,007.80

Finding the Fourth Proportional to 104,977,009.40, 157,465,514.10 and 74,366,007.80

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Solution

The fourth proportional to 104,977,009.40, 157,465,514.10 and 74,366,007.80 is: 111,549,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977,009.40 : 157,465,514.10 = 74,366,007.80 : x
  2. Step 2: Convert to fraction form
    104,977,009.40/157,465,514.10 = 74,366,007.80/x
  3. Step 3: Cross multiply
    104,977,009.40x = 157,465,514.10 × 74,366,007.80
  4. Step 4: Simplify right side
    104,977,009.40x = 11,710,081,649,791,610
  5. Step 5: Solve for x
    x = 11,710,081,649,791,610/104,977,009.40
  6. Step 6: Final answer
    x = 111,549,011.70

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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.