Home / 145,166,388.03-200,195,051.72-105,946,041.15

Finding the Fourth Proportional to 145,166,388.03, 200,195,051.72 and 105,946,041.15

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Solution

The fourth proportional to 145,166,388.03, 200,195,051.72 and 105,946,041.15 is: 146,107,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166,388.03 : 200,195,051.72 = 105,946,041.15 : x
  2. Step 2: Convert to fraction form
    145,166,388.03/200,195,051.72 = 105,946,041.15/x
  3. Step 3: Cross multiply
    145,166,388.03x = 200,195,051.72 × 105,946,041.15
  4. Step 4: Simplify right side
    145,166,388.03x = 21,209,873,187,023,768
  5. Step 5: Solve for x
    x = 21,209,873,187,023,768/145,166,388.03
  6. Step 6: Final answer
    x = 146,107,328.80

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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.