Home / 152,520,809.28-210,580,068.06-117,175,664.64

Finding the Fourth Proportional to 152,520,809.28, 210,580,068.06 and 117,175,664.64

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Solution

The fourth proportional to 152,520,809.28, 210,580,068.06 and 117,175,664.64 is: 161,780,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,520,809.28 : 210,580,068.06 = 117,175,664.64 : x
  2. Step 2: Convert to fraction form
    152,520,809.28/210,580,068.06 = 117,175,664.64/x
  3. Step 3: Cross multiply
    152,520,809.28x = 210,580,068.06 × 117,175,664.64
  4. Step 4: Simplify right side
    152,520,809.28x = 24,674,859,434,866,936
  5. Step 5: Solve for x
    x = 24,674,859,434,866,936/152,520,809.28
  6. Step 6: Final answer
    x = 161,780,281.34

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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.