Home / 161,640,748.40-242,492,615.40-64,579,938.80

Finding the Fourth Proportional to 161,640,748.40, 242,492,615.40 and 64,579,938.80

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Solution

The fourth proportional to 161,640,748.40, 242,492,615.40 and 64,579,938.80 is: 96,882,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,748.40 : 242,492,615.40 = 64,579,938.80 : x
  2. Step 2: Convert to fraction form
    161,640,748.40/242,492,615.40 = 64,579,938.80/x
  3. Step 3: Cross multiply
    161,640,748.40x = 242,492,615.40 × 64,579,938.80
  4. Step 4: Simplify right side
    161,640,748.40x = 15,660,158,261,983,938
  5. Step 5: Solve for x
    x = 15,660,158,261,983,938/161,640,748.40
  6. Step 6: Final answer
    x = 96,882,490.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.