Home / 145,528,864.88-200,824,560.60-80,337,369.20

Finding the Fourth Proportional to 145,528,864.88, 200,824,560.60 and 80,337,369.20

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Solution

The fourth proportional to 145,528,864.88, 200,824,560.60 and 80,337,369.20 is: 110,862,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528,864.88 : 200,824,560.60 = 80,337,369.20 : x
  2. Step 2: Convert to fraction form
    145,528,864.88/200,824,560.60 = 80,337,369.20/x
  3. Step 3: Cross multiply
    145,528,864.88x = 200,824,560.60 × 80,337,369.20
  4. Step 4: Simplify right side
    145,528,864.88x = 16,133,716,869,349,974
  5. Step 5: Solve for x
    x = 16,133,716,869,349,974/145,528,864.88
  6. Step 6: Final answer
    x = 110,862,658.64

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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.