Home / 151,656,082.77-209,284,938.09-82,041,444.39

Finding the Fourth Proportional to 151,656,082.77, 209,284,938.09 and 82,041,444.39

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Solution

The fourth proportional to 151,656,082.77, 209,284,938.09 and 82,041,444.39 is: 113,216,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,656,082.77 : 209,284,938.09 = 82,041,444.39 : x
  2. Step 2: Convert to fraction form
    151,656,082.77/209,284,938.09 = 82,041,444.39/x
  3. Step 3: Cross multiply
    151,656,082.77x = 209,284,938.09 × 82,041,444.39
  4. Step 4: Simplify right side
    151,656,082.77x = 17,170,038,609,975,328
  5. Step 5: Solve for x
    x = 17,170,038,609,975,328/151,656,082.77
  6. Step 6: Final answer
    x = 113,216,946.50

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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.