Home / 81,980,316,616.60-122,970,474,924.90-48,893,225,109.40

Finding the Fourth Proportional to 81,980,316,616.60, 122,970,474,924.90 and 48,893,225,109.40

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Solution

The fourth proportional to 81,980,316,616.60, 122,970,474,924.90 and 48,893,225,109.40 is: 73,339,837,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,980,316,616.60 : 122,970,474,924.90 = 48,893,225,109.40 : x
  2. Step 2: Convert to fraction form
    81,980,316,616.60/122,970,474,924.90 = 48,893,225,109.40/x
  3. Step 3: Cross multiply
    81,980,316,616.60x = 122,970,474,924.90 × 48,893,225,109.40
  4. Step 4: Simplify right side
    81,980,316,616.60x = 6,012,423,112,312,963,989,504
  5. Step 5: Solve for x
    x = 6,012,423,112,312,963,989,504/81,980,316,616.60
  6. Step 6: Final answer
    x = 73,339,837,664.10

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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.