Home / 152,973,964.56-211,102,902.36-83,359,130.16

Finding the Fourth Proportional to 152,973,964.56, 211,102,902.36 and 83,359,130.16

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Solution

The fourth proportional to 152,973,964.56, 211,102,902.36 and 83,359,130.16 is: 115,034,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,973,964.56 : 211,102,902.36 = 83,359,130.16 : x
  2. Step 2: Convert to fraction form
    152,973,964.56/211,102,902.36 = 83,359,130.16/x
  3. Step 3: Cross multiply
    152,973,964.56x = 211,102,902.36 × 83,359,130.16
  4. Step 4: Simplify right side
    152,973,964.56x = 17,597,354,314,981,012
  5. Step 5: Solve for x
    x = 17,597,354,314,981,012/152,973,964.56
  6. Step 6: Final answer
    x = 115,034,962.75

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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.