Home / 66,027,427.20-99,041,140.80-33,742,386.45

Finding the Fourth Proportional to 66,027,427.20, 99,041,140.80 and 33,742,386.45

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Solution

The fourth proportional to 66,027,427.20, 99,041,140.80 and 33,742,386.45 is: 50,613,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027,427.20 : 99,041,140.80 = 33,742,386.45 : x
  2. Step 2: Convert to fraction form
    66,027,427.20/99,041,140.80 = 33,742,386.45/x
  3. Step 3: Cross multiply
    66,027,427.20x = 99,041,140.80 × 33,742,386.45
  4. Step 4: Simplify right side
    66,027,427.20x = 3,341,884,447,322,462.50
  5. Step 5: Solve for x
    x = 3,341,884,447,322,462.50/66,027,427.20
  6. Step 6: Final answer
    x = 50,613,579.68

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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.