Home / 145,400,537.28-200,649,512.16-80,210,424

Finding the Fourth Proportional to 145,400,537.28, 200,649,512.16 and 80,210,424

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Solution

The fourth proportional to 145,400,537.28, 200,649,512.16 and 80,210,424 is: 110,688,603.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,400,537.28 : 200,649,512.16 = 80,210,424 : x
  2. Step 2: Convert to fraction form
    145,400,537.28/200,649,512.16 = 80,210,424/x
  3. Step 3: Cross multiply
    145,400,537.28x = 200,649,512.16 × 80,210,424
  4. Step 4: Simplify right side
    145,400,537.28x = 16,094,182,445,746,756
  5. Step 5: Solve for x
    x = 16,094,182,445,746,756/145,400,537.28
  6. Step 6: Final answer
    x = 110,688,603.68

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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.