Home / 109,878,235,833.38-151,636,057,664.11-65,889,514,112.80

Finding the Fourth Proportional to 109,878,235,833.38, 151,636,057,664.11 and 65,889,514,112.80

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Solution

The fourth proportional to 109,878,235,833.38, 151,636,057,664.11 and 65,889,514,112.80 is: 90,929,983,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,878,235,833.38 : 151,636,057,664.11 = 65,889,514,112.80 : x
  2. Step 2: Convert to fraction form
    109,878,235,833.38/151,636,057,664.11 = 65,889,514,112.80/x
  3. Step 3: Cross multiply
    109,878,235,833.38x = 151,636,057,664.11 × 65,889,514,112.80
  4. Step 4: Simplify right side
    109,878,235,833.38x = 9,991,226,161,468,578,725,888
  5. Step 5: Solve for x
    x = 9,991,226,161,468,578,725,888/109,878,235,833.38
  6. Step 6: Final answer
    x = 90,929,983,410.18

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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.