Home / 112,477,109.40-168,715,664.10-31,698,077.40

Finding the Fourth Proportional to 112,477,109.40, 168,715,664.10 and 31,698,077.40

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Solution

The fourth proportional to 112,477,109.40, 168,715,664.10 and 31,698,077.40 is: 47,547,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477,109.40 : 168,715,664.10 = 31,698,077.40 : x
  2. Step 2: Convert to fraction form
    112,477,109.40/168,715,664.10 = 31,698,077.40/x
  3. Step 3: Cross multiply
    112,477,109.40x = 168,715,664.10 × 31,698,077.40
  4. Step 4: Simplify right side
    112,477,109.40x = 5,347,962,179,234,201
  5. Step 5: Solve for x
    x = 5,347,962,179,234,201/112,477,109.40
  6. Step 6: Final answer
    x = 47,547,116.10

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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.