Home / 220,557,157,928.16-304,365,784,038.16-122,902,914,803.21

Finding the Fourth Proportional to 220,557,157,928.16, 304,365,784,038.16 and 122,902,914,803.21

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Solution

The fourth proportional to 220,557,157,928.16, 304,365,784,038.16 and 122,902,914,803.21 is: 169,604,298,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,557,157,928.16 : 304,365,784,038.16 = 122,902,914,803.21 : x
  2. Step 2: Convert to fraction form
    220,557,157,928.16/304,365,784,038.16 = 122,902,914,803.21/x
  3. Step 3: Cross multiply
    220,557,157,928.16x = 304,365,784,038.16 × 122,902,914,803.21
  4. Step 4: Simplify right side
    220,557,157,928.16x = 37,407,442,024,654,193,033,216
  5. Step 5: Solve for x
    x = 37,407,442,024,654,193,033,216/220,557,157,928.16
  6. Step 6: Final answer
    x = 169,604,298,387.08

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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.