Home / 306,434,873.80-459,652,310.70-191,549,139.40

Finding the Fourth Proportional to 306,434,873.80, 459,652,310.70 and 191,549,139.40

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Solution

The fourth proportional to 306,434,873.80, 459,652,310.70 and 191,549,139.40 is: 287,323,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,434,873.80 : 459,652,310.70 = 191,549,139.40 : x
  2. Step 2: Convert to fraction form
    306,434,873.80/459,652,310.70 = 191,549,139.40/x
  3. Step 3: Cross multiply
    306,434,873.80x = 459,652,310.70 × 191,549,139.40
  4. Step 4: Simplify right side
    306,434,873.80x = 88,046,004,537,806,416
  5. Step 5: Solve for x
    x = 88,046,004,537,806,416/306,434,873.80
  6. Step 6: Final answer
    x = 287,323,709.10

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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.