Home / 117,102,614.04-161,602,563.85-64,892,521.40

Finding the Fourth Proportional to 117,102,614.04, 161,602,563.85 and 64,892,521.40

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Solution

The fourth proportional to 117,102,614.04, 161,602,563.85 and 64,892,521.40 is: 89,552,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102,614.04 : 161,602,563.85 = 64,892,521.40 : x
  2. Step 2: Convert to fraction form
    117,102,614.04/161,602,563.85 = 64,892,521.40/x
  3. Step 3: Cross multiply
    117,102,614.04x = 161,602,563.85 × 64,892,521.40
  4. Step 4: Simplify right side
    117,102,614.04x = 10,486,797,831,960,748
  5. Step 5: Solve for x
    x = 10,486,797,831,960,748/117,102,614.04
  6. Step 6: Final answer
    x = 89,552,209.56

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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.