Home / 161,931,839.49-242,897,463.84-52,756,881.51

Finding the Fourth Proportional to 161,931,839.49, 242,897,463.84 and 52,756,881.51

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Solution

The fourth proportional to 161,931,839.49, 242,897,463.84 and 52,756,881.51 is: 79,135,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,931,839.49 : 242,897,463.84 = 52,756,881.51 : x
  2. Step 2: Convert to fraction form
    161,931,839.49/242,897,463.84 = 52,756,881.51/x
  3. Step 3: Cross multiply
    161,931,839.49x = 242,897,463.84 × 52,756,881.51
  4. Step 4: Simplify right side
    161,931,839.49x = 12,814,512,718,886,390
  5. Step 5: Solve for x
    x = 12,814,512,718,886,390/161,931,839.49
  6. Step 6: Final answer
    x = 79,135,226.03

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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.