Home / 151,600,217.13-209,208,930.08-81,985,598.01

Finding the Fourth Proportional to 151,600,217.13, 209,208,930.08 and 81,985,598.01

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Solution

The fourth proportional to 151,600,217.13, 209,208,930.08 and 81,985,598.01 is: 113,140,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600,217.13 : 209,208,930.08 = 81,985,598.01 : x
  2. Step 2: Convert to fraction form
    151,600,217.13/209,208,930.08 = 81,985,598.01/x
  3. Step 3: Cross multiply
    151,600,217.13x = 209,208,930.08 × 81,985,598.01
  4. Step 4: Simplify right side
    151,600,217.13x = 17,152,119,241,641,080
  5. Step 5: Solve for x
    x = 17,152,119,241,641,080/151,600,217.13
  6. Step 6: Final answer
    x = 113,140,466.20

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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.