Home / 119,911,643.30-179,884,622.83-36,920,417.72

Finding the Fourth Proportional to 119,911,643.30, 179,884,622.83 and 36,920,417.72

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Solution

The fourth proportional to 119,911,643.30, 179,884,622.83 and 36,920,417.72 is: 55,385,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911,643.30 : 179,884,622.83 = 36,920,417.72 : x
  2. Step 2: Convert to fraction form
    119,911,643.30/179,884,622.83 = 36,920,417.72/x
  3. Step 3: Cross multiply
    119,911,643.30x = 179,884,622.83 × 36,920,417.72
  4. Step 4: Simplify right side
    119,911,643.30x = 6,641,415,416,288,249
  5. Step 5: Solve for x
    x = 6,641,415,416,288,249/119,911,643.30
  6. Step 6: Final answer
    x = 55,385,909.44

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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.