Home / 191,908,697.87-287,863,886.07-60,751,613.76

Finding the Fourth Proportional to 191,908,697.87, 287,863,886.07 and 60,751,613.76

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Solution

The fourth proportional to 191,908,697.87, 287,863,886.07 and 60,751,613.76 is: 91,127,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,908,697.87 : 287,863,886.07 = 60,751,613.76 : x
  2. Step 2: Convert to fraction form
    191,908,697.87/287,863,886.07 = 60,751,613.76/x
  3. Step 3: Cross multiply
    191,908,697.87x = 287,863,886.07 × 60,751,613.76
  4. Step 4: Simplify right side
    191,908,697.87x = 17,488,195,621,977,284
  5. Step 5: Solve for x
    x = 17,488,195,621,977,284/191,908,697.87
  6. Step 6: Final answer
    x = 91,127,686.32

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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.