Home / 70,902,075.30-97,844,769.21-38,307,027.30

Finding the Fourth Proportional to 70,902,075.30, 97,844,769.21 and 38,307,027.30

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Solution

The fourth proportional to 70,902,075.30, 97,844,769.21 and 38,307,027.30 is: 52,863,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,902,075.30 : 97,844,769.21 = 38,307,027.30 : x
  2. Step 2: Convert to fraction form
    70,902,075.30/97,844,769.21 = 38,307,027.30/x
  3. Step 3: Cross multiply
    70,902,075.30x = 97,844,769.21 × 38,307,027.30
  4. Step 4: Simplify right side
    70,902,075.30x = 3,748,142,245,289,669
  5. Step 5: Solve for x
    x = 3,748,142,245,289,669/70,902,075.30
  6. Step 6: Final answer
    x = 52,863,646.51

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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.