Home / 149,153,455,901.64-205,831,851,572.49-80,564,868,613.59

Finding the Fourth Proportional to 149,153,455,901.64, 205,831,851,572.49 and 80,564,868,613.59

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Solution

The fourth proportional to 149,153,455,901.64, 205,831,851,572.49 and 80,564,868,613.59 is: 111,179,563,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153,455,901.64 : 205,831,851,572.49 = 80,564,868,613.59 : x
  2. Step 2: Convert to fraction form
    149,153,455,901.64/205,831,851,572.49 = 80,564,868,613.59/x
  3. Step 3: Cross multiply
    149,153,455,901.64x = 205,831,851,572.49 × 80,564,868,613.59
  4. Step 4: Simplify right side
    149,153,455,901.64x = 16,582,816,078,428,586,901,504
  5. Step 5: Solve for x
    x = 16,582,816,078,428,586,901,504/149,153,455,901.64
  6. Step 6: Final answer
    x = 111,179,563,210.15

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Why These Related Problems?

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