Home / 134,234,538.03-185,138,718.98-87,206,763.78

Finding the Fourth Proportional to 134,234,538.03, 185,138,718.98 and 87,206,763.78

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Solution

The fourth proportional to 134,234,538.03, 185,138,718.98 and 87,206,763.78 is: 120,277,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,234,538.03 : 185,138,718.98 = 87,206,763.78 : x
  2. Step 2: Convert to fraction form
    134,234,538.03/185,138,718.98 = 87,206,763.78/x
  3. Step 3: Cross multiply
    134,234,538.03x = 185,138,718.98 × 87,206,763.78
  4. Step 4: Simplify right side
    134,234,538.03x = 16,145,348,532,184,628
  5. Step 5: Solve for x
    x = 16,145,348,532,184,628/134,234,538.03
  6. Step 6: Final answer
    x = 120,277,156.45

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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.