Home / 70,886,485,498.24-97,802,112,695.68-40,812,196,792.96

Finding the Fourth Proportional to 70,886,485,498.24, 97,802,112,695.68 and 40,812,196,792.96

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Solution

The fourth proportional to 70,886,485,498.24, 97,802,112,695.68 and 40,812,196,792.96 is: 56,308,604,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886,485,498.24 : 97,802,112,695.68 = 40,812,196,792.96 : x
  2. Step 2: Convert to fraction form
    70,886,485,498.24/97,802,112,695.68 = 40,812,196,792.96/x
  3. Step 3: Cross multiply
    70,886,485,498.24x = 97,802,112,695.68 × 40,812,196,792.96
  4. Step 4: Simplify right side
    70,886,485,498.24x = 3,991,519,070,103,343,202,304
  5. Step 5: Solve for x
    x = 3,991,519,070,103,343,202,304/70,886,485,498.24
  6. Step 6: Final answer
    x = 56,308,604,412.37

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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.