Home / 142,169,639.40-213,254,459.10-117,935,929.80

Finding the Fourth Proportional to 142,169,639.40, 213,254,459.10 and 117,935,929.80

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Solution

The fourth proportional to 142,169,639.40, 213,254,459.10 and 117,935,929.80 is: 176,903,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169,639.40 : 213,254,459.10 = 117,935,929.80 : x
  2. Step 2: Convert to fraction form
    142,169,639.40/213,254,459.10 = 117,935,929.80/x
  3. Step 3: Cross multiply
    142,169,639.40x = 213,254,459.10 × 117,935,929.80
  4. Step 4: Simplify right side
    142,169,639.40x = 25,150,362,917,954,568
  5. Step 5: Solve for x
    x = 25,150,362,917,954,568/142,169,639.40
  6. Step 6: Final answer
    x = 176,903,894.70

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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.