Home / 78,555,182.40-108,398,384.64-43,751,111.04

Finding the Fourth Proportional to 78,555,182.40, 108,398,384.64 and 43,751,111.04

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Solution

The fourth proportional to 78,555,182.40, 108,398,384.64 and 43,751,111.04 is: 60,372,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,555,182.40 : 108,398,384.64 = 43,751,111.04 : x
  2. Step 2: Convert to fraction form
    78,555,182.40/108,398,384.64 = 43,751,111.04/x
  3. Step 3: Cross multiply
    78,555,182.40x = 108,398,384.64 × 43,751,111.04
  4. Step 4: Simplify right side
    78,555,182.40x = 4,742,549,762,941,270
  5. Step 5: Solve for x
    x = 4,742,549,762,941,270/78,555,182.40
  6. Step 6: Final answer
    x = 60,372,207.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.