Home / 90,164,063,753.51-124,437,887,075.90-54,521,633,857.19

Finding the Fourth Proportional to 90,164,063,753.51, 124,437,887,075.90 and 54,521,633,857.19

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Solution

The fourth proportional to 90,164,063,753.51, 124,437,887,075.90 and 54,521,633,857.19 is: 75,246,796,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164,063,753.51 : 124,437,887,075.90 = 54,521,633,857.19 : x
  2. Step 2: Convert to fraction form
    90,164,063,753.51/124,437,887,075.90 = 54,521,633,857.19/x
  3. Step 3: Cross multiply
    90,164,063,753.51x = 124,437,887,075.90 × 54,521,633,857.19
  4. Step 4: Simplify right side
    90,164,063,753.51x = 6,784,556,917,114,575,781,888
  5. Step 5: Solve for x
    x = 6,784,556,917,114,575,781,888/90,164,063,753.51
  6. Step 6: Final answer
    x = 75,246,796,059.04

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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.