Home / 384,934,139.20-577,401,208.80-112,332,462.40

Finding the Fourth Proportional to 384,934,139.20, 577,401,208.80 and 112,332,462.40

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Solution

The fourth proportional to 384,934,139.20, 577,401,208.80 and 112,332,462.40 is: 168,498,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,934,139.20 : 577,401,208.80 = 112,332,462.40 : x
  2. Step 2: Convert to fraction form
    384,934,139.20/577,401,208.80 = 112,332,462.40/x
  3. Step 3: Cross multiply
    384,934,139.20x = 577,401,208.80 × 112,332,462.40
  4. Step 4: Simplify right side
    384,934,139.20x = 64,860,899,577,240,544
  5. Step 5: Solve for x
    x = 64,860,899,577,240,544/384,934,139.20
  6. Step 6: Final answer
    x = 168,498,693.60

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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.