Home / 186,624,672.90-279,937,009.35-168,484,820.10

Finding the Fourth Proportional to 186,624,672.90, 279,937,009.35 and 168,484,820.10

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Solution

The fourth proportional to 186,624,672.90, 279,937,009.35 and 168,484,820.10 is: 252,727,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,672.90 : 279,937,009.35 = 168,484,820.10 : x
  2. Step 2: Convert to fraction form
    186,624,672.90/279,937,009.35 = 168,484,820.10/x
  3. Step 3: Cross multiply
    186,624,672.90x = 279,937,009.35 × 168,484,820.10
  4. Step 4: Simplify right side
    186,624,672.90x = 47,165,136,659,666,768
  5. Step 5: Solve for x
    x = 47,165,136,659,666,768/186,624,672.90
  6. Step 6: Final answer
    x = 252,727,230.15

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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.