Home / 106,345,308.40-159,517,962.60-91,039,807.60

Finding the Fourth Proportional to 106,345,308.40, 159,517,962.60 and 91,039,807.60

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Solution

The fourth proportional to 106,345,308.40, 159,517,962.60 and 91,039,807.60 is: 136,559,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345,308.40 : 159,517,962.60 = 91,039,807.60 : x
  2. Step 2: Convert to fraction form
    106,345,308.40/159,517,962.60 = 91,039,807.60/x
  3. Step 3: Cross multiply
    106,345,308.40x = 159,517,962.60 × 91,039,807.60
  4. Step 4: Simplify right side
    106,345,308.40x = 14,522,484,623,847,994
  5. Step 5: Solve for x
    x = 14,522,484,623,847,994/106,345,308.40
  6. Step 6: Final answer
    x = 136,559,711.40

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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.