Home / 106,345,482.40-159,518,223.60-91,039,981.60

Finding the Fourth Proportional to 106,345,482.40, 159,518,223.60 and 91,039,981.60

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Solution

The fourth proportional to 106,345,482.40, 159,518,223.60 and 91,039,981.60 is: 136,559,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345,482.40 : 159,518,223.60 = 91,039,981.60 : x
  2. Step 2: Convert to fraction form
    106,345,482.40/159,518,223.60 = 91,039,981.60/x
  3. Step 3: Cross multiply
    106,345,482.40x = 159,518,223.60 × 91,039,981.60
  4. Step 4: Simplify right side
    106,345,482.40x = 14,522,536,141,408,684
  5. Step 5: Solve for x
    x = 14,522,536,141,408,684/106,345,482.40
  6. Step 6: Final answer
    x = 136,559,972.40

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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.