Home / 43,213,430.22-64,748,178.42-30,407,030.10

Finding the Fourth Proportional to 43,213,430.22, 64,748,178.42 and 30,407,030.10

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Solution

The fourth proportional to 43,213,430.22, 64,748,178.42 and 30,407,030.10 is: 45,559,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213,430.22 : 64,748,178.42 = 30,407,030.10 : x
  2. Step 2: Convert to fraction form
    43,213,430.22/64,748,178.42 = 30,407,030.10/x
  3. Step 3: Cross multiply
    43,213,430.22x = 64,748,178.42 × 30,407,030.10
  4. Step 4: Simplify right side
    43,213,430.22x = 1,968,799,810,137,110.50
  5. Step 5: Solve for x
    x = 1,968,799,810,137,110.50/43,213,430.22
  6. Step 6: Final answer
    x = 45,559,905.80

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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.