Home / 128,765,329.60-193,147,994.40-98,532,241.60

Finding the Fourth Proportional to 128,765,329.60, 193,147,994.40 and 98,532,241.60

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Solution

The fourth proportional to 128,765,329.60, 193,147,994.40 and 98,532,241.60 is: 147,798,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,765,329.60 : 193,147,994.40 = 98,532,241.60 : x
  2. Step 2: Convert to fraction form
    128,765,329.60/193,147,994.40 = 98,532,241.60/x
  3. Step 3: Cross multiply
    128,765,329.60x = 193,147,994.40 × 98,532,241.60
  4. Step 4: Simplify right side
    128,765,329.60x = 19,031,304,848,776,248
  5. Step 5: Solve for x
    x = 19,031,304,848,776,248/128,765,329.60
  6. Step 6: Final answer
    x = 147,798,362.40

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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.