Home / 153,232,933.94-211,465,914.90-83,622,798.80

Finding the Fourth Proportional to 153,232,933.94, 211,465,914.90 and 83,622,798.80

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Solution

The fourth proportional to 153,232,933.94, 211,465,914.90 and 83,622,798.80 is: 115,401,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,933.94 : 211,465,914.90 = 83,622,798.80 : x
  2. Step 2: Convert to fraction form
    153,232,933.94/211,465,914.90 = 83,622,798.80/x
  3. Step 3: Cross multiply
    153,232,933.94x = 211,465,914.90 × 83,622,798.80
  4. Step 4: Simplify right side
    153,232,933.94x = 17,683,371,654,740,622
  5. Step 5: Solve for x
    x = 17,683,371,654,740,622/153,232,933.94
  6. Step 6: Final answer
    x = 115,401,899.58

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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.