Home / 73,316,647.96-101,178,010.50-40,279,950.36

Finding the Fourth Proportional to 73,316,647.96, 101,178,010.50 and 40,279,950.36

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Solution

The fourth proportional to 73,316,647.96, 101,178,010.50 and 40,279,950.36 is: 55,586,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316,647.96 : 101,178,010.50 = 40,279,950.36 : x
  2. Step 2: Convert to fraction form
    73,316,647.96/101,178,010.50 = 40,279,950.36/x
  3. Step 3: Cross multiply
    73,316,647.96x = 101,178,010.50 × 40,279,950.36
  4. Step 4: Simplify right side
    73,316,647.96x = 4,075,445,240,463,558.50
  5. Step 5: Solve for x
    x = 4,075,445,240,463,558.50/73,316,647.96
  6. Step 6: Final answer
    x = 55,586,900.85

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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.