Home / 43,118,973.60-64,678,460.40-20,444,157.60

Finding the Fourth Proportional to 43,118,973.60, 64,678,460.40 and 20,444,157.60

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Solution

The fourth proportional to 43,118,973.60, 64,678,460.40 and 20,444,157.60 is: 30,666,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,118,973.60 : 64,678,460.40 = 20,444,157.60 : x
  2. Step 2: Convert to fraction form
    43,118,973.60/64,678,460.40 = 20,444,157.60/x
  3. Step 3: Cross multiply
    43,118,973.60x = 64,678,460.40 × 20,444,157.60
  4. Step 4: Simplify right side
    43,118,973.60x = 1,322,296,637,742,959
  5. Step 5: Solve for x
    x = 1,322,296,637,742,959/43,118,973.60
  6. Step 6: Final answer
    x = 30,666,236.40

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1.5x scale

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.