Home / 287,085,848.60-430,607,942.70-112,175,994.08

Finding the Fourth Proportional to 287,085,848.60, 430,607,942.70 and 112,175,994.08

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Solution

The fourth proportional to 287,085,848.60, 430,607,942.70 and 112,175,994.08 is: 168,255,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,085,848.60 : 430,607,942.70 = 112,175,994.08 : x
  2. Step 2: Convert to fraction form
    287,085,848.60/430,607,942.70 = 112,175,994.08/x
  3. Step 3: Cross multiply
    287,085,848.60x = 430,607,942.70 × 112,175,994.08
  4. Step 4: Simplify right side
    287,085,848.60x = 48,303,874,031,116,176
  5. Step 5: Solve for x
    x = 48,303,874,031,116,176/287,085,848.60
  6. Step 6: Final answer
    x = 168,255,851.92

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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.