Home / 153,160,384.68-211,362,679.80-83,546,075.16

Finding the Fourth Proportional to 153,160,384.68, 211,362,679.80 and 83,546,075.16

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Solution

The fourth proportional to 153,160,384.68, 211,362,679.80 and 83,546,075.16 is: 115,294,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,160,384.68 : 211,362,679.80 = 83,546,075.16 : x
  2. Step 2: Convert to fraction form
    153,160,384.68/211,362,679.80 = 83,546,075.16/x
  3. Step 3: Cross multiply
    153,160,384.68x = 211,362,679.80 × 83,546,075.16
  4. Step 4: Simplify right side
    153,160,384.68x = 17,658,522,332,589,814
  5. Step 5: Solve for x
    x = 17,658,522,332,589,814/153,160,384.68
  6. Step 6: Final answer
    x = 115,294,319.54

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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.