Home / 117,157,319.84-161,677,097.88-64,946,223.20

Finding the Fourth Proportional to 117,157,319.84, 161,677,097.88 and 64,946,223.20

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Solution

The fourth proportional to 117,157,319.84, 161,677,097.88 and 64,946,223.20 is: 89,625,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,157,319.84 : 161,677,097.88 = 64,946,223.20 : x
  2. Step 2: Convert to fraction form
    117,157,319.84/161,677,097.88 = 64,946,223.20/x
  3. Step 3: Cross multiply
    117,157,319.84x = 161,677,097.88 × 64,946,223.20
  4. Step 4: Simplify right side
    117,157,319.84x = 10,500,316,885,242,726
  5. Step 5: Solve for x
    x = 10,500,316,885,242,726/117,157,319.84
  6. Step 6: Final answer
    x = 89,625,786.08

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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.