Home / 161,805,520.91-242,880,999.53-69,734,696.27

Finding the Fourth Proportional to 161,805,520.91, 242,880,999.53 and 69,734,696.27

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Solution

The fourth proportional to 161,805,520.91, 242,880,999.53 and 69,734,696.27 is: 104,676,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,805,520.91 : 242,880,999.53 = 69,734,696.27 : x
  2. Step 2: Convert to fraction form
    161,805,520.91/242,880,999.53 = 69,734,696.27/x
  3. Step 3: Cross multiply
    161,805,520.91x = 242,880,999.53 × 69,734,696.27
  4. Step 4: Simplify right side
    161,805,520.91x = 16,937,232,730,415,484
  5. Step 5: Solve for x
    x = 16,937,232,730,415,484/161,805,520.91
  6. Step 6: Final answer
    x = 104,676,482.20

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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.