Home / 149,140,410.79-205,820,145.84-83,060,898.45

Finding the Fourth Proportional to 149,140,410.79, 205,820,145.84 and 83,060,898.45

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Solution

The fourth proportional to 149,140,410.79, 205,820,145.84 and 83,060,898.45 is: 114,627,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,140,410.79 : 205,820,145.84 = 83,060,898.45 : x
  2. Step 2: Convert to fraction form
    149,140,410.79/205,820,145.84 = 83,060,898.45/x
  3. Step 3: Cross multiply
    149,140,410.79x = 205,820,145.84 × 83,060,898.45
  4. Step 4: Simplify right side
    149,140,410.79x = 17,095,606,232,165,126
  5. Step 5: Solve for x
    x = 17,095,606,232,165,126/149,140,410.79
  6. Step 6: Final answer
    x = 114,627,592.49

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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.