Home / 73,385,646.60-101,272,257.09-40,346,457.86

Finding the Fourth Proportional to 73,385,646.60, 101,272,257.09 and 40,346,457.86

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Solution

The fourth proportional to 73,385,646.60, 101,272,257.09 and 40,346,457.86 is: 55,678,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,385,646.60 : 101,272,257.09 = 40,346,457.86 : x
  2. Step 2: Convert to fraction form
    73,385,646.60/101,272,257.09 = 40,346,457.86/x
  3. Step 3: Cross multiply
    73,385,646.60x = 101,272,257.09 × 40,346,457.86
  4. Step 4: Simplify right side
    73,385,646.60x = 4,085,976,852,562,410
  5. Step 5: Solve for x
    x = 4,085,976,852,562,410/73,385,646.60
  6. Step 6: Final answer
    x = 55,678,147.46

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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.