Home / 66,135,172.80-99,219,526.32-46,742,554.56

Finding the Fourth Proportional to 66,135,172.80, 99,219,526.32 and 46,742,554.56

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Solution

The fourth proportional to 66,135,172.80, 99,219,526.32 and 46,742,554.56 is: 70,125,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,135,172.80 : 99,219,526.32 = 46,742,554.56 : x
  2. Step 2: Convert to fraction form
    66,135,172.80/99,219,526.32 = 46,742,554.56/x
  3. Step 3: Cross multiply
    66,135,172.80x = 99,219,526.32 × 46,742,554.56
  4. Step 4: Simplify right side
    66,135,172.80x = 4,637,774,122,429,956
  5. Step 5: Solve for x
    x = 4,637,774,122,429,956/66,135,172.80
  6. Step 6: Final answer
    x = 70,125,682.39

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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.