Home / 100,303,229,466.66-138,414,279,058.47-54,577,684,446.78

Finding the Fourth Proportional to 100,303,229,466.66, 138,414,279,058.47 and 54,577,684,446.78

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Solution

The fourth proportional to 100,303,229,466.66, 138,414,279,058.47 and 54,577,684,446.78 is: 75,314,931,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,303,229,466.66 : 138,414,279,058.47 = 54,577,684,446.78 : x
  2. Step 2: Convert to fraction form
    100,303,229,466.66/138,414,279,058.47 = 54,577,684,446.78/x
  3. Step 3: Cross multiply
    100,303,229,466.66x = 138,414,279,058.47 × 54,577,684,446.78
  4. Step 4: Simplify right side
    100,303,229,466.66x = 7,554,330,845,381,724,733,440
  5. Step 5: Solve for x
    x = 7,554,330,845,381,724,733,440/100,303,229,466.66
  6. Step 6: Final answer
    x = 75,314,931,389.05

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1.5x scale

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.