Home / 219,235,824.72-302,506,985.32-125,106,994.80

Finding the Fourth Proportional to 219,235,824.72, 302,506,985.32 and 125,106,994.80

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Solution

The fourth proportional to 219,235,824.72, 302,506,985.32 and 125,106,994.80 is: 172,625,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,235,824.72 : 302,506,985.32 = 125,106,994.80 : x
  2. Step 2: Convert to fraction form
    219,235,824.72/302,506,985.32 = 125,106,994.80/x
  3. Step 3: Cross multiply
    219,235,824.72x = 302,506,985.32 × 125,106,994.80
  4. Step 4: Simplify right side
    219,235,824.72x = 37,845,739,839,392,912
  5. Step 5: Solve for x
    x = 37,845,739,839,392,912/219,235,824.72
  6. Step 6: Final answer
    x = 172,625,709.72

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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.