Home / 130,507,481.99-180,105,060.23-74,763,675.92

Finding the Fourth Proportional to 130,507,481.99, 180,105,060.23 and 74,763,675.92

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Solution

The fourth proportional to 130,507,481.99, 180,105,060.23 and 74,763,675.92 is: 103,176,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,481.99 : 180,105,060.23 = 74,763,675.92 : x
  2. Step 2: Convert to fraction form
    130,507,481.99/180,105,060.23 = 74,763,675.92/x
  3. Step 3: Cross multiply
    130,507,481.99x = 180,105,060.23 × 74,763,675.92
  4. Step 4: Simplify right side
    130,507,481.99x = 13,465,316,354,587,800
  5. Step 5: Solve for x
    x = 13,465,316,354,587,800/130,507,481.99
  6. Step 6: Final answer
    x = 103,176,585.35

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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.