Home / 153,246,419.56-211,484,542.50-83,636,265.16

Finding the Fourth Proportional to 153,246,419.56, 211,484,542.50 and 83,636,265.16

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Solution

The fourth proportional to 153,246,419.56, 211,484,542.50 and 83,636,265.16 is: 115,420,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246,419.56 : 211,484,542.50 = 83,636,265.16 : x
  2. Step 2: Convert to fraction form
    153,246,419.56/211,484,542.50 = 83,636,265.16/x
  3. Step 3: Cross multiply
    153,246,419.56x = 211,484,542.50 × 83,636,265.16
  4. Step 4: Simplify right side
    153,246,419.56x = 17,687,777,273,771,288
  5. Step 5: Solve for x
    x = 17,687,777,273,771,288/153,246,419.56
  6. Step 6: Final answer
    x = 115,420,492.85

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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.