Home / 153,232,929.69-211,465,909.04-83,622,794.55

Finding the Fourth Proportional to 153,232,929.69, 211,465,909.04 and 83,622,794.55

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Solution

The fourth proportional to 153,232,929.69, 211,465,909.04 and 83,622,794.55 is: 115,401,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,929.69 : 211,465,909.04 = 83,622,794.55 : x
  2. Step 2: Convert to fraction form
    153,232,929.69/211,465,909.04 = 83,622,794.55/x
  3. Step 3: Cross multiply
    153,232,929.69x = 211,465,909.04 × 83,622,794.55
  4. Step 4: Simplify right side
    153,232,929.69x = 17,683,370,265,562,792
  5. Step 5: Solve for x
    x = 17,683,370,265,562,792/153,232,929.69
  6. Step 6: Final answer
    x = 115,401,893.71

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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.