Home / 187,288,518.40-280,820,803.20-96,589,254.40

Finding the Fourth Proportional to 187,288,518.40, 280,820,803.20 and 96,589,254.40

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Solution

The fourth proportional to 187,288,518.40, 280,820,803.20 and 96,589,254.40 is: 144,826,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288,518.40 : 280,820,803.20 = 96,589,254.40 : x
  2. Step 2: Convert to fraction form
    187,288,518.40/280,820,803.20 = 96,589,254.40/x
  3. Step 3: Cross multiply
    187,288,518.40x = 280,820,803.20 × 96,589,254.40
  4. Step 4: Simplify right side
    187,288,518.40x = 27,124,272,001,097,136
  5. Step 5: Solve for x
    x = 27,124,272,001,097,136/187,288,518.40
  6. Step 6: Final answer
    x = 144,826,133.67

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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.