Home / 151,161,715.34-208,602,655.61-85,082,175.32

Finding the Fourth Proportional to 151,161,715.34, 208,602,655.61 and 85,082,175.32

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Solution

The fourth proportional to 151,161,715.34, 208,602,655.61 and 85,082,175.32 is: 117,413,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161,715.34 : 208,602,655.61 = 85,082,175.32 : x
  2. Step 2: Convert to fraction form
    151,161,715.34/208,602,655.61 = 85,082,175.32/x
  3. Step 3: Cross multiply
    151,161,715.34x = 208,602,655.61 × 85,082,175.32
  4. Step 4: Simplify right side
    151,161,715.34x = 17,748,367,715,359,176
  5. Step 5: Solve for x
    x = 17,748,367,715,359,176/151,161,715.34
  6. Step 6: Final answer
    x = 117,413,114.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.