Home / 130,746,219.10-180,416,430.21-80,502,459.10

Finding the Fourth Proportional to 130,746,219.10, 180,416,430.21 and 80,502,459.10

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Solution

The fourth proportional to 130,746,219.10, 180,416,430.21 and 80,502,459.10 is: 111,085,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,746,219.10 : 180,416,430.21 = 80,502,459.10 : x
  2. Step 2: Convert to fraction form
    130,746,219.10/180,416,430.21 = 80,502,459.10/x
  3. Step 3: Cross multiply
    130,746,219.10x = 180,416,430.21 × 80,502,459.10
  4. Step 4: Simplify right side
    130,746,219.10x = 14,523,966,293,948,530
  5. Step 5: Solve for x
    x = 14,523,966,293,948,530/130,746,219.10
  6. Step 6: Final answer
    x = 111,085,172.44

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1.5x scale

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.