Home / 218,503,129.04-301,534,642.33-124,417,352.64

Finding the Fourth Proportional to 218,503,129.04, 301,534,642.33 and 124,417,352.64

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Solution

The fourth proportional to 218,503,129.04, 301,534,642.33 and 124,417,352.64 is: 171,696,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,503,129.04 : 301,534,642.33 = 124,417,352.64 : x
  2. Step 2: Convert to fraction form
    218,503,129.04/301,534,642.33 = 124,417,352.64/x
  3. Step 3: Cross multiply
    218,503,129.04x = 301,534,642.33 × 124,417,352.64
  4. Step 4: Simplify right side
    218,503,129.04x = 37,516,141,927,636,840
  5. Step 5: Solve for x
    x = 37,516,141,927,636,840/218,503,129.04
  6. Step 6: Final answer
    x = 171,696,131.28

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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.