Home / 107,875,837.29-148,909,139.15-70,708,512.75

Finding the Fourth Proportional to 107,875,837.29, 148,909,139.15 and 70,708,512.75

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Solution

The fourth proportional to 107,875,837.29, 148,909,139.15 and 70,708,512.75 is: 97,604,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,875,837.29 : 148,909,139.15 = 70,708,512.75 : x
  2. Step 2: Convert to fraction form
    107,875,837.29/148,909,139.15 = 70,708,512.75/x
  3. Step 3: Cross multiply
    107,875,837.29x = 148,909,139.15 × 70,708,512.75
  4. Step 4: Simplify right side
    107,875,837.29x = 10,529,143,763,825,758
  5. Step 5: Solve for x
    x = 10,529,143,763,825,758/107,875,837.29
  6. Step 6: Final answer
    x = 97,604,283.11

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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.