Home / 161,670,640.66-242,502,479.17-45,082,890.34

Finding the Fourth Proportional to 161,670,640.66, 242,502,479.17 and 45,082,890.34

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Solution

The fourth proportional to 161,670,640.66, 242,502,479.17 and 45,082,890.34 is: 67,623,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,670,640.66 : 242,502,479.17 = 45,082,890.34 : x
  2. Step 2: Convert to fraction form
    161,670,640.66/242,502,479.17 = 45,082,890.34/x
  3. Step 3: Cross multiply
    161,670,640.66x = 242,502,479.17 × 45,082,890.34
  4. Step 4: Simplify right side
    161,670,640.66x = 10,932,712,674,880,280
  5. Step 5: Solve for x
    x = 10,932,712,674,880,280/161,670,640.66
  6. Step 6: Final answer
    x = 67,623,364.58

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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.