Home / 211,047,329.16-316,601,043.30-65,493,468.72

Finding the Fourth Proportional to 211,047,329.16, 316,601,043.30 and 65,493,468.72

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Solution

The fourth proportional to 211,047,329.16, 316,601,043.30 and 65,493,468.72 is: 98,249,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047,329.16 : 316,601,043.30 = 65,493,468.72 : x
  2. Step 2: Convert to fraction form
    211,047,329.16/316,601,043.30 = 65,493,468.72/x
  3. Step 3: Cross multiply
    211,047,329.16x = 316,601,043.30 × 65,493,468.72
  4. Step 4: Simplify right side
    211,047,329.16x = 20,735,300,526,087,916
  5. Step 5: Solve for x
    x = 20,735,300,526,087,916/211,047,329.16
  6. Step 6: Final answer
    x = 98,249,528.24

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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.