Home / 112,354,017.90-168,531,026.85-31,574,985.90

Finding the Fourth Proportional to 112,354,017.90, 168,531,026.85 and 31,574,985.90

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Solution

The fourth proportional to 112,354,017.90, 168,531,026.85 and 31,574,985.90 is: 47,362,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,017.90 : 168,531,026.85 = 31,574,985.90 : x
  2. Step 2: Convert to fraction form
    112,354,017.90/168,531,026.85 = 31,574,985.90/x
  3. Step 3: Cross multiply
    112,354,017.90x = 168,531,026.85 × 31,574,985.90
  4. Step 4: Simplify right side
    112,354,017.90x = 5,321,364,796,501,271
  5. Step 5: Solve for x
    x = 5,321,364,796,501,271/112,354,017.90
  6. Step 6: Final answer
    x = 47,362,478.85

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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.