Home / 71,075,641.65-106,619,968.80-19,957,316.01

Finding the Fourth Proportional to 71,075,641.65, 106,619,968.80 and 19,957,316.01

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Solution

The fourth proportional to 71,075,641.65, 106,619,968.80 and 19,957,316.01 is: 29,937,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,641.65 : 106,619,968.80 = 19,957,316.01 : x
  2. Step 2: Convert to fraction form
    71,075,641.65/106,619,968.80 = 19,957,316.01/x
  3. Step 3: Cross multiply
    71,075,641.65x = 106,619,968.80 × 19,957,316.01
  4. Step 4: Simplify right side
    71,075,641.65x = 2,127,848,410,317,940.50
  5. Step 5: Solve for x
    x = 2,127,848,410,317,940.50/71,075,641.65
  6. Step 6: Final answer
    x = 29,937,800.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.