Home / 191,716,845.40-287,575,268.10-146,367,213.40

Finding the Fourth Proportional to 191,716,845.40, 287,575,268.10 and 146,367,213.40

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Solution

The fourth proportional to 191,716,845.40, 287,575,268.10 and 146,367,213.40 is: 219,550,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,716,845.40 : 287,575,268.10 = 146,367,213.40 : x
  2. Step 2: Convert to fraction form
    191,716,845.40/287,575,268.10 = 146,367,213.40/x
  3. Step 3: Cross multiply
    191,716,845.40x = 287,575,268.10 × 146,367,213.40
  4. Step 4: Simplify right side
    191,716,845.40x = 42,091,590,634,554,920
  5. Step 5: Solve for x
    x = 42,091,590,634,554,920/191,716,845.40
  6. Step 6: Final answer
    x = 219,550,820.10

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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.