Home / 210,406,591.98-290,312,920.77-125,617,208.88

Finding the Fourth Proportional to 210,406,591.98, 290,312,920.77 and 125,617,208.88

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Solution

The fourth proportional to 210,406,591.98, 290,312,920.77 and 125,617,208.88 is: 173,322,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,406,591.98 : 290,312,920.77 = 125,617,208.88 : x
  2. Step 2: Convert to fraction form
    210,406,591.98/290,312,920.77 = 125,617,208.88/x
  3. Step 3: Cross multiply
    210,406,591.98x = 290,312,920.77 × 125,617,208.88
  4. Step 4: Simplify right side
    210,406,591.98x = 36,468,298,808,033,536
  5. Step 5: Solve for x
    x = 36,468,298,808,033,536/210,406,591.98
  6. Step 6: Final answer
    x = 173,322,986.05

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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.