Home / 179,643,820.32-269,349,874.65-70,480,023.93

Finding the Fourth Proportional to 179,643,820.32, 269,349,874.65 and 70,480,023.93

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Solution

The fourth proportional to 179,643,820.32, 269,349,874.65 and 70,480,023.93 is: 105,674,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,643,820.32 : 269,349,874.65 = 70,480,023.93 : x
  2. Step 2: Convert to fraction form
    179,643,820.32/269,349,874.65 = 70,480,023.93/x
  3. Step 3: Cross multiply
    179,643,820.32x = 269,349,874.65 × 70,480,023.93
  4. Step 4: Simplify right side
    179,643,820.32x = 18,983,785,610,874,500
  5. Step 5: Solve for x
    x = 18,983,785,610,874,500/179,643,820.32
  6. Step 6: Final answer
    x = 105,674,581.94

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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.