Home / 385,457,438.66-578,208,586.09-109,085,532.62

Finding the Fourth Proportional to 385,457,438.66, 578,208,586.09 and 109,085,532.62

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Solution

The fourth proportional to 385,457,438.66, 578,208,586.09 and 109,085,532.62 is: 163,634,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,457,438.66 : 578,208,586.09 = 109,085,532.62 : x
  2. Step 2: Convert to fraction form
    385,457,438.66/578,208,586.09 = 109,085,532.62/x
  3. Step 3: Cross multiply
    385,457,438.66x = 578,208,586.09 × 109,085,532.62
  4. Step 4: Simplify right side
    385,457,438.66x = 63,074,191,578,539,352
  5. Step 5: Solve for x
    x = 63,074,191,578,539,352/385,457,438.66
  6. Step 6: Final answer
    x = 163,634,646.14

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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.