Home / 65,880,482.36-90,915,063.85-36,516,226.58

Finding the Fourth Proportional to 65,880,482.36, 90,915,063.85 and 36,516,226.58

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Solution

The fourth proportional to 65,880,482.36, 90,915,063.85 and 36,516,226.58 is: 50,392,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,482.36 : 90,915,063.85 = 36,516,226.58 : x
  2. Step 2: Convert to fraction form
    65,880,482.36/90,915,063.85 = 36,516,226.58/x
  3. Step 3: Cross multiply
    65,880,482.36x = 90,915,063.85 × 36,516,226.58
  4. Step 4: Simplify right side
    65,880,482.36x = 3,319,875,071,081,767
  5. Step 5: Solve for x
    x = 3,319,875,071,081,767/65,880,482.36
  6. Step 6: Final answer
    x = 50,392,391.68

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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.