Home / 71,005,513,255.36-97,987,661,120.40-38,452,979,592.40

Finding the Fourth Proportional to 71,005,513,255.36, 97,987,661,120.40 and 38,452,979,592.40

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Solution

The fourth proportional to 71,005,513,255.36, 97,987,661,120.40 and 38,452,979,592.40 is: 53,065,140,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,005,513,255.36 : 97,987,661,120.40 = 38,452,979,592.40 : x
  2. Step 2: Convert to fraction form
    71,005,513,255.36/97,987,661,120.40 = 38,452,979,592.40/x
  3. Step 3: Cross multiply
    71,005,513,255.36x = 97,987,661,120.40 × 38,452,979,592.40
  4. Step 4: Simplify right side
    71,005,513,255.36x = 3,767,917,533,369,747,898,368
  5. Step 5: Solve for x
    x = 3,767,917,533,369,747,898,368/71,005,513,255.36
  6. Step 6: Final answer
    x = 53,065,140,446.48

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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.