Home / 127,529,702,725.48-175,989,943,870.79-69,658,119,448.61

Finding the Fourth Proportional to 127,529,702,725.48, 175,989,943,870.79 and 69,658,119,448.61

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Solution

The fourth proportional to 127,529,702,725.48, 175,989,943,870.79 and 69,658,119,448.61 is: 96,127,633,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,529,702,725.48 : 175,989,943,870.79 = 69,658,119,448.61 : x
  2. Step 2: Convert to fraction form
    127,529,702,725.48/175,989,943,870.79 = 69,658,119,448.61/x
  3. Step 3: Cross multiply
    127,529,702,725.48x = 175,989,943,870.79 × 69,658,119,448.61
  4. Step 4: Simplify right side
    127,529,702,725.48x = 12,259,128,531,905,660,583,936
  5. Step 5: Solve for x
    x = 12,259,128,531,905,660,583,936/127,529,702,725.48
  6. Step 6: Final answer
    x = 96,127,633,562.31

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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.