Home / 115,435,575.68-159,303,673.16-65,874,962.84

Finding the Fourth Proportional to 115,435,575.68, 159,303,673.16 and 65,874,962.84

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Solution

The fourth proportional to 115,435,575.68, 159,303,673.16 and 65,874,962.84 is: 90,908,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435,575.68 : 159,303,673.16 = 65,874,962.84 : x
  2. Step 2: Convert to fraction form
    115,435,575.68/159,303,673.16 = 65,874,962.84/x
  3. Step 3: Cross multiply
    115,435,575.68x = 159,303,673.16 × 65,874,962.84
  4. Step 4: Simplify right side
    115,435,575.68x = 10,494,123,549,690,506
  5. Step 5: Solve for x
    x = 10,494,123,549,690,506/115,435,575.68
  6. Step 6: Final answer
    x = 90,908,920.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.