Home / 255,470,484.24-352,549,217.28-137,995,818.12

Finding the Fourth Proportional to 255,470,484.24, 352,549,217.28 and 137,995,818.12

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Solution

The fourth proportional to 255,470,484.24, 352,549,217.28 and 137,995,818.12 is: 190,434,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,470,484.24 : 352,549,217.28 = 137,995,818.12 : x
  2. Step 2: Convert to fraction form
    255,470,484.24/352,549,217.28 = 137,995,818.12/x
  3. Step 3: Cross multiply
    255,470,484.24x = 352,549,217.28 × 137,995,818.12
  4. Step 4: Simplify right side
    255,470,484.24x = 48,650,317,666,119,240
  5. Step 5: Solve for x
    x = 48,650,317,666,119,240/255,470,484.24
  6. Step 6: Final answer
    x = 190,434,201.47

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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.