Home / 73,316,646.96-101,178,009.12-40,279,949.36

Finding the Fourth Proportional to 73,316,646.96, 101,178,009.12 and 40,279,949.36

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Solution

The fourth proportional to 73,316,646.96, 101,178,009.12 and 40,279,949.36 is: 55,586,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316,646.96 : 101,178,009.12 = 40,279,949.36 : x
  2. Step 2: Convert to fraction form
    73,316,646.96/101,178,009.12 = 40,279,949.36/x
  3. Step 3: Cross multiply
    73,316,646.96x = 101,178,009.12 × 40,279,949.36
  4. Step 4: Simplify right side
    73,316,646.96x = 4,075,445,083,699,218.50
  5. Step 5: Solve for x
    x = 4,075,445,083,699,218.50/73,316,646.96
  6. Step 6: Final answer
    x = 55,586,899.47

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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.