Home / 191,739,502.20-287,609,253.30-133,068,415.80

Finding the Fourth Proportional to 191,739,502.20, 287,609,253.30 and 133,068,415.80

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Solution

The fourth proportional to 191,739,502.20, 287,609,253.30 and 133,068,415.80 is: 199,602,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,739,502.20 : 287,609,253.30 = 133,068,415.80 : x
  2. Step 2: Convert to fraction form
    191,739,502.20/287,609,253.30 = 133,068,415.80/x
  3. Step 3: Cross multiply
    191,739,502.20x = 287,609,253.30 × 133,068,415.80
  4. Step 4: Simplify right side
    191,739,502.20x = 38,271,707,706,051,920
  5. Step 5: Solve for x
    x = 38,271,707,706,051,920/191,739,502.20
  6. Step 6: Final answer
    x = 199,602,623.70

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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.