Home / 75,369,729.60-113,054,594.40-70,330,881.60

Finding the Fourth Proportional to 75,369,729.60, 113,054,594.40 and 70,330,881.60

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Solution

The fourth proportional to 75,369,729.60, 113,054,594.40 and 70,330,881.60 is: 105,496,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,369,729.60 : 113,054,594.40 = 70,330,881.60 : x
  2. Step 2: Convert to fraction form
    75,369,729.60/113,054,594.40 = 70,330,881.60/x
  3. Step 3: Cross multiply
    75,369,729.60x = 113,054,594.40 × 70,330,881.60
  4. Step 4: Simplify right side
    75,369,729.60x = 7,951,229,293,082,423
  5. Step 5: Solve for x
    x = 7,951,229,293,082,423/75,369,729.60
  6. Step 6: Final answer
    x = 105,496,322.40

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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.