Home / 89,989,911,967.71-134,890,377,035.43-30,277,843,784.19

Finding the Fourth Proportional to 89,989,911,967.71, 134,890,377,035.43 and 30,277,843,784.19

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Solution

The fourth proportional to 89,989,911,967.71, 134,890,377,035.43 and 30,277,843,784.19 is: 45,384,973,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,989,911,967.71 : 134,890,377,035.43 = 30,277,843,784.19 : x
  2. Step 2: Convert to fraction form
    89,989,911,967.71/134,890,377,035.43 = 30,277,843,784.19/x
  3. Step 3: Cross multiply
    89,989,911,967.71x = 134,890,377,035.43 × 30,277,843,784.19
  4. Step 4: Simplify right side
    89,989,911,967.71x = 4,084,189,763,869,239,410,688
  5. Step 5: Solve for x
    x = 4,084,189,763,869,239,410,688/89,989,911,967.71
  6. Step 6: Final answer
    x = 45,384,973,432.74

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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.