Home / 186,624,005.10-279,936,007.65-171,885,374.70

Finding the Fourth Proportional to 186,624,005.10, 279,936,007.65 and 171,885,374.70

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Solution

The fourth proportional to 186,624,005.10, 279,936,007.65 and 171,885,374.70 is: 257,828,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,005.10 : 279,936,007.65 = 171,885,374.70 : x
  2. Step 2: Convert to fraction form
    186,624,005.10/279,936,007.65 = 171,885,374.70/x
  3. Step 3: Cross multiply
    186,624,005.10x = 279,936,007.65 × 171,885,374.70
  4. Step 4: Simplify right side
    186,624,005.10x = 48,116,905,566,942,312
  5. Step 5: Solve for x
    x = 48,116,905,566,942,312/186,624,005.10
  6. Step 6: Final answer
    x = 257,828,062.05

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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.