Home / 189,501,235.94-284,208,881.70-85,801,984.02

Finding the Fourth Proportional to 189,501,235.94, 284,208,881.70 and 85,801,984.02

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Solution

The fourth proportional to 189,501,235.94, 284,208,881.70 and 85,801,984.02 is: 128,683,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,501,235.94 : 284,208,881.70 = 85,801,984.02 : x
  2. Step 2: Convert to fraction form
    189,501,235.94/284,208,881.70 = 85,801,984.02/x
  3. Step 3: Cross multiply
    189,501,235.94x = 284,208,881.70 × 85,801,984.02
  4. Step 4: Simplify right side
    189,501,235.94x = 24,385,685,925,965,468
  5. Step 5: Solve for x
    x = 24,385,685,925,965,468/189,501,235.94
  6. Step 6: Final answer
    x = 128,683,519.16

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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.