Home / 310,476,316.20-465,715,856.70-80,429,058.60

Finding the Fourth Proportional to 310,476,316.20, 465,715,856.70 and 80,429,058.60

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Solution

The fourth proportional to 310,476,316.20, 465,715,856.70 and 80,429,058.60 is: 120,643,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,476,316.20 : 465,715,856.70 = 80,429,058.60 : x
  2. Step 2: Convert to fraction form
    310,476,316.20/465,715,856.70 = 80,429,058.60/x
  3. Step 3: Cross multiply
    310,476,316.20x = 465,715,856.70 × 80,429,058.60
  4. Step 4: Simplify right side
    310,476,316.20x = 37,457,087,929,473,496
  5. Step 5: Solve for x
    x = 37,457,087,929,473,496/310,476,316.20
  6. Step 6: Final answer
    x = 120,643,946.01

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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.