Home / 109,455,263,908.47-151,064,122,146.43-61,286,411,335.01

Finding the Fourth Proportional to 109,455,263,908.47, 151,064,122,146.43 and 61,286,411,335.01

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Solution

The fourth proportional to 109,455,263,908.47, 151,064,122,146.43 and 61,286,411,335.01 is: 84,584,126,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,455,263,908.47 : 151,064,122,146.43 = 61,286,411,335.01 : x
  2. Step 2: Convert to fraction form
    109,455,263,908.47/151,064,122,146.43 = 61,286,411,335.01/x
  3. Step 3: Cross multiply
    109,455,263,908.47x = 151,064,122,146.43 × 61,286,411,335.01
  4. Step 4: Simplify right side
    109,455,263,908.47x = 9,258,177,927,827,546,963,968
  5. Step 5: Solve for x
    x = 9,258,177,927,827,546,963,968/109,455,263,908.47
  6. Step 6: Final answer
    x = 84,584,126,859.07

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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.