Home / 140,082,146.48-193,311,344.16-77,360,898.32

Finding the Fourth Proportional to 140,082,146.48, 193,311,344.16 and 77,360,898.32

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Solution

The fourth proportional to 140,082,146.48, 193,311,344.16 and 77,360,898.32 is: 106,756,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,082,146.48 : 193,311,344.16 = 77,360,898.32 : x
  2. Step 2: Convert to fraction form
    140,082,146.48/193,311,344.16 = 77,360,898.32/x
  3. Step 3: Cross multiply
    140,082,146.48x = 193,311,344.16 × 77,360,898.32
  4. Step 4: Simplify right side
    140,082,146.48x = 14,954,739,239,664,284
  5. Step 5: Solve for x
    x = 14,954,739,239,664,284/140,082,146.48
  6. Step 6: Final answer
    x = 106,756,925.24

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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.