Home / 180,479,170,643.99-249,067,228,498.62-99,191,874,865.48

Finding the Fourth Proportional to 180,479,170,643.99, 249,067,228,498.62 and 99,191,874,865.48

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Solution

The fourth proportional to 180,479,170,643.99, 249,067,228,498.62 and 99,191,874,865.48 is: 136,888,070,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,479,170,643.99 : 249,067,228,498.62 = 99,191,874,865.48 : x
  2. Step 2: Convert to fraction form
    180,479,170,643.99/249,067,228,498.62 = 99,191,874,865.48/x
  3. Step 3: Cross multiply
    180,479,170,643.99x = 249,067,228,498.62 × 99,191,874,865.48
  4. Step 4: Simplify right side
    180,479,170,643.99x = 24,705,445,362,326,529,114,112
  5. Step 5: Solve for x
    x = 24,705,445,362,326,529,114,112/180,479,170,643.99
  6. Step 6: Final answer
    x = 136,888,070,097.91

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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.