Home / 130,944,800.34-180,708,186.90-71,409,353.44

Finding the Fourth Proportional to 130,944,800.34, 180,708,186.90 and 71,409,353.44

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Solution

The fourth proportional to 130,944,800.34, 180,708,186.90 and 71,409,353.44 is: 98,547,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,944,800.34 : 180,708,186.90 = 71,409,353.44 : x
  2. Step 2: Convert to fraction form
    130,944,800.34/180,708,186.90 = 71,409,353.44/x
  3. Step 3: Cross multiply
    130,944,800.34x = 180,708,186.90 × 71,409,353.44
  4. Step 4: Simplify right side
    130,944,800.34x = 12,904,254,787,843,678
  5. Step 5: Solve for x
    x = 12,904,254,787,843,678/130,944,800.34
  6. Step 6: Final answer
    x = 98,547,286.75

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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.