Home / 112,320,172.20-168,480,258.30-63,779,269.80

Finding the Fourth Proportional to 112,320,172.20, 168,480,258.30 and 63,779,269.80

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Solution

The fourth proportional to 112,320,172.20, 168,480,258.30 and 63,779,269.80 is: 95,668,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320,172.20 : 168,480,258.30 = 63,779,269.80 : x
  2. Step 2: Convert to fraction form
    112,320,172.20/168,480,258.30 = 63,779,269.80/x
  3. Step 3: Cross multiply
    112,320,172.20x = 168,480,258.30 × 63,779,269.80
  4. Step 4: Simplify right side
    112,320,172.20x = 10,745,547,850,089,390
  5. Step 5: Solve for x
    x = 10,745,547,850,089,390/112,320,172.20
  6. Step 6: Final answer
    x = 95,668,904.70

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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.