Home / 113,374,321,013.28-156,461,316,184.08-65,202,401,859.60

Finding the Fourth Proportional to 113,374,321,013.28, 156,461,316,184.08 and 65,202,401,859.60

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Solution

The fourth proportional to 113,374,321,013.28, 156,461,316,184.08 and 65,202,401,859.60 is: 89,982,048,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,374,321,013.28 : 156,461,316,184.08 = 65,202,401,859.60 : x
  2. Step 2: Convert to fraction form
    113,374,321,013.28/156,461,316,184.08 = 65,202,401,859.60/x
  3. Step 3: Cross multiply
    113,374,321,013.28x = 156,461,316,184.08 × 65,202,401,859.60
  4. Step 4: Simplify right side
    113,374,321,013.28x = 10,201,653,613,316,320,264,192
  5. Step 5: Solve for x
    x = 10,201,653,613,316,320,264,192/113,374,321,013.28
  6. Step 6: Final answer
    x = 89,982,048,158.17

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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.