Home / 42,752,403.20-64,128,604.80-34,690,246.40

Finding the Fourth Proportional to 42,752,403.20, 64,128,604.80 and 34,690,246.40

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Solution

The fourth proportional to 42,752,403.20, 64,128,604.80 and 34,690,246.40 is: 52,035,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,752,403.20 : 64,128,604.80 = 34,690,246.40 : x
  2. Step 2: Convert to fraction form
    42,752,403.20/64,128,604.80 = 34,690,246.40/x
  3. Step 3: Cross multiply
    42,752,403.20x = 64,128,604.80 × 34,690,246.40
  4. Step 4: Simplify right side
    42,752,403.20x = 2,224,637,101,800,222.50
  5. Step 5: Solve for x
    x = 2,224,637,101,800,222.50/42,752,403.20
  6. Step 6: Final answer
    x = 52,035,369.60

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1.5x scale

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.