Home / 53,650,636.32-74,033,656.92-30,445,763.05

Finding the Fourth Proportional to 53,650,636.32, 74,033,656.92 and 30,445,763.05

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Solution

The fourth proportional to 53,650,636.32, 74,033,656.92 and 30,445,763.05 is: 42,012,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650,636.32 : 74,033,656.92 = 30,445,763.05 : x
  2. Step 2: Convert to fraction form
    53,650,636.32/74,033,656.92 = 30,445,763.05/x
  3. Step 3: Cross multiply
    53,650,636.32x = 74,033,656.92 × 30,445,763.05
  4. Step 4: Simplify right side
    53,650,636.32x = 2,254,011,176,311,313
  5. Step 5: Solve for x
    x = 2,254,011,176,311,313/53,650,636.32
  6. Step 6: Final answer
    x = 42,012,757.55

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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.