Home / 130,746,265.60-180,416,494.40-80,502,505.60

Finding the Fourth Proportional to 130,746,265.60, 180,416,494.40 and 80,502,505.60

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Solution

The fourth proportional to 130,746,265.60, 180,416,494.40 and 80,502,505.60 is: 111,085,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,746,265.60 : 180,416,494.40 = 80,502,505.60 : x
  2. Step 2: Convert to fraction form
    130,746,265.60/180,416,494.40 = 80,502,505.60/x
  3. Step 3: Cross multiply
    130,746,265.60x = 180,416,494.40 × 80,502,505.60
  4. Step 4: Simplify right side
    130,746,265.60x = 14,523,979,850,768,368
  5. Step 5: Solve for x
    x = 14,523,979,850,768,368/130,746,265.60
  6. Step 6: Final answer
    x = 111,085,236.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.