Home / 43,841,315.40-65,761,973.10-42,077,718.60

Finding the Fourth Proportional to 43,841,315.40, 65,761,973.10 and 42,077,718.60

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Solution

The fourth proportional to 43,841,315.40, 65,761,973.10 and 42,077,718.60 is: 63,116,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841,315.40 : 65,761,973.10 = 42,077,718.60 : x
  2. Step 2: Convert to fraction form
    43,841,315.40/65,761,973.10 = 42,077,718.60/x
  3. Step 3: Cross multiply
    43,841,315.40x = 65,761,973.10 × 42,077,718.60
  4. Step 4: Simplify right side
    43,841,315.40x = 2,767,113,798,682,570
  5. Step 5: Solve for x
    x = 2,767,113,798,682,570/43,841,315.40
  6. Step 6: Final answer
    x = 63,116,577.90

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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.