Home / 189,490,628.70-284,235,943.05-60,108,364.80

Finding the Fourth Proportional to 189,490,628.70, 284,235,943.05 and 60,108,364.80

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Solution

The fourth proportional to 189,490,628.70, 284,235,943.05 and 60,108,364.80 is: 90,162,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,490,628.70 : 284,235,943.05 = 60,108,364.80 : x
  2. Step 2: Convert to fraction form
    189,490,628.70/284,235,943.05 = 60,108,364.80/x
  3. Step 3: Cross multiply
    189,490,628.70x = 284,235,943.05 × 60,108,364.80
  4. Step 4: Simplify right side
    189,490,628.70x = 17,084,957,754,121,424
  5. Step 5: Solve for x
    x = 17,084,957,754,121,424/189,490,628.70
  6. Step 6: Final answer
    x = 90,162,547.20

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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.