Home / 131,052,328.60-196,578,492.90-128,501,411.80

Finding the Fourth Proportional to 131,052,328.60, 196,578,492.90 and 128,501,411.80

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Solution

The fourth proportional to 131,052,328.60, 196,578,492.90 and 128,501,411.80 is: 192,752,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,052,328.60 : 196,578,492.90 = 128,501,411.80 : x
  2. Step 2: Convert to fraction form
    131,052,328.60/196,578,492.90 = 128,501,411.80/x
  3. Step 3: Cross multiply
    131,052,328.60x = 196,578,492.90 × 128,501,411.80
  4. Step 4: Simplify right side
    131,052,328.60x = 25,260,613,867,166,276
  5. Step 5: Solve for x
    x = 25,260,613,867,166,276/131,052,328.60
  6. Step 6: Final answer
    x = 192,752,117.70

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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.