Home / 112,477,031.40-168,715,547.10-31,697,999.40

Finding the Fourth Proportional to 112,477,031.40, 168,715,547.10 and 31,697,999.40

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Solution

The fourth proportional to 112,477,031.40, 168,715,547.10 and 31,697,999.40 is: 47,546,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477,031.40 : 168,715,547.10 = 31,697,999.40 : x
  2. Step 2: Convert to fraction form
    112,477,031.40/168,715,547.10 = 31,697,999.40/x
  3. Step 3: Cross multiply
    112,477,031.40x = 168,715,547.10 × 31,697,999.40
  4. Step 4: Simplify right side
    112,477,031.40x = 5,347,945,310,746,471
  5. Step 5: Solve for x
    x = 5,347,945,310,746,471/112,477,031.40
  6. Step 6: Final answer
    x = 47,546,999.10

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1.5x scale

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.