Home / 374,058,325.60-561,100,318.80-115,271,490.40

Finding the Fourth Proportional to 374,058,325.60, 561,100,318.80 and 115,271,490.40

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Solution

The fourth proportional to 374,058,325.60, 561,100,318.80 and 115,271,490.40 is: 172,911,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,058,325.60 : 561,100,318.80 = 115,271,490.40 : x
  2. Step 2: Convert to fraction form
    374,058,325.60/561,100,318.80 = 115,271,490.40/x
  3. Step 3: Cross multiply
    374,058,325.60x = 561,100,318.80 × 115,271,490.40
  4. Step 4: Simplify right side
    374,058,325.60x = 64,678,870,011,991,136
  5. Step 5: Solve for x
    x = 64,678,870,011,991,136/374,058,325.60
  6. Step 6: Final answer
    x = 172,911,189.47

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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.