Home / 102,185,998.20-153,278,997.30-86,880,497.40

Finding the Fourth Proportional to 102,185,998.20, 153,278,997.30 and 86,880,497.40

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Solution

The fourth proportional to 102,185,998.20, 153,278,997.30 and 86,880,497.40 is: 130,320,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,185,998.20 : 153,278,997.30 = 86,880,497.40 : x
  2. Step 2: Convert to fraction form
    102,185,998.20/153,278,997.30 = 86,880,497.40/x
  3. Step 3: Cross multiply
    102,185,998.20x = 153,278,997.30 × 86,880,497.40
  4. Step 4: Simplify right side
    102,185,998.20x = 13,316,955,526,397,258
  5. Step 5: Solve for x
    x = 13,316,955,526,397,258/102,185,998.20
  6. Step 6: Final answer
    x = 130,320,746.10

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1.5x scale

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.