Home / 385,457,435.91-578,208,581.96-109,085,529.87

Finding the Fourth Proportional to 385,457,435.91, 578,208,581.96 and 109,085,529.87

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Solution

The fourth proportional to 385,457,435.91, 578,208,581.96 and 109,085,529.87 is: 163,634,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,457,435.91 : 578,208,581.96 = 109,085,529.87 : x
  2. Step 2: Convert to fraction form
    385,457,435.91/578,208,581.96 = 109,085,529.87/x
  3. Step 3: Cross multiply
    385,457,435.91x = 578,208,581.96 × 109,085,529.87
  4. Step 4: Simplify right side
    385,457,435.91x = 63,074,189,537,942,504
  5. Step 5: Solve for x
    x = 63,074,189,537,942,504/385,457,435.91
  6. Step 6: Final answer
    x = 163,634,642.02

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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.