Home / 140,059,145.70-210,088,718.55-91,686,204.90

Finding the Fourth Proportional to 140,059,145.70, 210,088,718.55 and 91,686,204.90

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Solution

The fourth proportional to 140,059,145.70, 210,088,718.55 and 91,686,204.90 is: 137,529,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,059,145.70 : 210,088,718.55 = 91,686,204.90 : x
  2. Step 2: Convert to fraction form
    140,059,145.70/210,088,718.55 = 91,686,204.90/x
  3. Step 3: Cross multiply
    140,059,145.70x = 210,088,718.55 × 91,686,204.90
  4. Step 4: Simplify right side
    140,059,145.70x = 19,262,237,296,153,732
  5. Step 5: Solve for x
    x = 19,262,237,296,153,732/140,059,145.70
  6. Step 6: Final answer
    x = 137,529,307.35

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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.