Home / 191,739,436.70-287,609,155.06-133,068,350.30

Finding the Fourth Proportional to 191,739,436.70, 287,609,155.06 and 133,068,350.30

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Solution

The fourth proportional to 191,739,436.70, 287,609,155.06 and 133,068,350.30 is: 199,602,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,739,436.70 : 287,609,155.06 = 133,068,350.30 : x
  2. Step 2: Convert to fraction form
    191,739,436.70/287,609,155.06 = 133,068,350.30/x
  3. Step 3: Cross multiply
    191,739,436.70x = 287,609,155.06 × 133,068,350.30
  4. Step 4: Simplify right side
    191,739,436.70x = 38,271,675,795,011,096
  5. Step 5: Solve for x
    x = 38,271,675,795,011,096/191,739,436.70
  6. Step 6: Final answer
    x = 199,602,525.46

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1.5x scale

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.