Home / 146,529,421.80-219,794,132.70-89,039,315.40

Finding the Fourth Proportional to 146,529,421.80, 219,794,132.70 and 89,039,315.40

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Solution

The fourth proportional to 146,529,421.80, 219,794,132.70 and 89,039,315.40 is: 133,558,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,529,421.80 : 219,794,132.70 = 89,039,315.40 : x
  2. Step 2: Convert to fraction form
    146,529,421.80/219,794,132.70 = 89,039,315.40/x
  3. Step 3: Cross multiply
    146,529,421.80x = 219,794,132.70 × 89,039,315.40
  4. Step 4: Simplify right side
    146,529,421.80x = 19,570,319,104,544,752
  5. Step 5: Solve for x
    x = 19,570,319,104,544,752/146,529,421.80
  6. Step 6: Final answer
    x = 133,558,973.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.