Home / 130,295,934.80-179,768,070.60-75,271,714.64

Finding the Fourth Proportional to 130,295,934.80, 179,768,070.60 and 75,271,714.64

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Solution

The fourth proportional to 130,295,934.80, 179,768,070.60 and 75,271,714.64 is: 103,851,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,295,934.80 : 179,768,070.60 = 75,271,714.64 : x
  2. Step 2: Convert to fraction form
    130,295,934.80/179,768,070.60 = 75,271,714.64/x
  3. Step 3: Cross multiply
    130,295,934.80x = 179,768,070.60 × 75,271,714.64
  4. Step 4: Simplify right side
    130,295,934.80x = 13,531,450,911,586,574
  5. Step 5: Solve for x
    x = 13,531,450,911,586,574/130,295,934.80
  6. Step 6: Final answer
    x = 103,851,673.75

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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.