Home / 311,578,320.60-466,989,567.30-138,871,805.40

Finding the Fourth Proportional to 311,578,320.60, 466,989,567.30 and 138,871,805.40

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Solution

The fourth proportional to 311,578,320.60, 466,989,567.30 and 138,871,805.40 is: 208,139,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,578,320.60 : 466,989,567.30 = 138,871,805.40 : x
  2. Step 2: Convert to fraction form
    311,578,320.60/466,989,567.30 = 138,871,805.40/x
  3. Step 3: Cross multiply
    311,578,320.60x = 466,989,567.30 × 138,871,805.40
  4. Step 4: Simplify right side
    311,578,320.60x = 64,851,684,313,915,808
  5. Step 5: Solve for x
    x = 64,851,684,313,915,808/311,578,320.60
  6. Step 6: Final answer
    x = 208,139,270.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.