Home / 75,137,402.44-112,720,262.66-28,464,868.11

Finding the Fourth Proportional to 75,137,402.44, 112,720,262.66 and 28,464,868.11

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Solution

The fourth proportional to 75,137,402.44, 112,720,262.66 and 28,464,868.11 is: 42,702,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137,402.44 : 112,720,262.66 = 28,464,868.11 : x
  2. Step 2: Convert to fraction form
    75,137,402.44/112,720,262.66 = 28,464,868.11/x
  3. Step 3: Cross multiply
    75,137,402.44x = 112,720,262.66 × 28,464,868.11
  4. Step 4: Simplify right side
    75,137,402.44x = 3,208,567,409,941,457.50
  5. Step 5: Solve for x
    x = 3,208,567,409,941,457.50/75,137,402.44
  6. Step 6: Final answer
    x = 42,702,666.13

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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.