Home / 72,327,798,721.78-99,817,953,197.98-43,393,077,541.16

Finding the Fourth Proportional to 72,327,798,721.78, 99,817,953,197.98 and 43,393,077,541.16

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Solution

The fourth proportional to 72,327,798,721.78, 99,817,953,197.98 and 43,393,077,541.16 is: 59,885,801,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,327,798,721.78 : 99,817,953,197.98 = 43,393,077,541.16 : x
  2. Step 2: Convert to fraction form
    72,327,798,721.78/99,817,953,197.98 = 43,393,077,541.16/x
  3. Step 3: Cross multiply
    72,327,798,721.78x = 99,817,953,197.98 × 43,393,077,541.16
  4. Step 4: Simplify right side
    72,327,798,721.78x = 4,331,408,183,119,439,200,256
  5. Step 5: Solve for x
    x = 4,331,408,183,119,439,200,256/72,327,798,721.78
  6. Step 6: Final answer
    x = 59,885,801,305.54

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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.