Home / 189,926,731.94-284,838,842.83-67,088,878.28

Finding the Fourth Proportional to 189,926,731.94, 284,838,842.83 and 67,088,878.28

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Solution

The fourth proportional to 189,926,731.94, 284,838,842.83 and 67,088,878.28 is: 100,615,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926,731.94 : 284,838,842.83 = 67,088,878.28 : x
  2. Step 2: Convert to fraction form
    189,926,731.94/284,838,842.83 = 67,088,878.28/x
  3. Step 3: Cross multiply
    189,926,731.94x = 284,838,842.83 × 67,088,878.28
  4. Step 4: Simplify right side
    189,926,731.94x = 19,109,518,455,514,148
  5. Step 5: Solve for x
    x = 19,109,518,455,514,148/189,926,731.94
  6. Step 6: Final answer
    x = 100,615,212.30

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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.