Home / 152,995,651.37-211,127,836.79-83,379,533.93

Finding the Fourth Proportional to 152,995,651.37, 211,127,836.79 and 83,379,533.93

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Solution

The fourth proportional to 152,995,651.37, 211,127,836.79 and 83,379,533.93 is: 115,060,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,995,651.37 : 211,127,836.79 = 83,379,533.93 : x
  2. Step 2: Convert to fraction form
    152,995,651.37/211,127,836.79 = 83,379,533.93/x
  3. Step 3: Cross multiply
    152,995,651.37x = 211,127,836.79 × 83,379,533.93
  4. Step 4: Simplify right side
    152,995,651.37x = 17,603,740,630,352,116
  5. Step 5: Solve for x
    x = 17,603,740,630,352,116/152,995,651.37
  6. Step 6: Final answer
    x = 115,060,398.60

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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.