Home / 144,764,559.90-199,708,514.55-128,261,516.22

Finding the Fourth Proportional to 144,764,559.90, 199,708,514.55 and 128,261,516.22

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Solution

The fourth proportional to 144,764,559.90, 199,708,514.55 and 128,261,516.22 is: 176,941,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,764,559.90 : 199,708,514.55 = 128,261,516.22 : x
  2. Step 2: Convert to fraction form
    144,764,559.90/199,708,514.55 = 128,261,516.22/x
  3. Step 3: Cross multiply
    144,764,559.90x = 199,708,514.55 × 128,261,516.22
  4. Step 4: Simplify right side
    144,764,559.90x = 25,614,916,878,226,932
  5. Step 5: Solve for x
    x = 25,614,916,878,226,932/144,764,559.90
  6. Step 6: Final answer
    x = 176,941,904.12

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1.5x scale

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.