Home / 304,128,020.40-456,192,030.60-168,079,124.40

Finding the Fourth Proportional to 304,128,020.40, 456,192,030.60 and 168,079,124.40

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Solution

The fourth proportional to 304,128,020.40, 456,192,030.60 and 168,079,124.40 is: 252,118,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128,020.40 : 456,192,030.60 = 168,079,124.40 : x
  2. Step 2: Convert to fraction form
    304,128,020.40/456,192,030.60 = 168,079,124.40/x
  3. Step 3: Cross multiply
    304,128,020.40x = 456,192,030.60 × 168,079,124.40
  4. Step 4: Simplify right side
    304,128,020.40x = 76,676,357,061,506,016
  5. Step 5: Solve for x
    x = 76,676,357,061,506,016/304,128,020.40
  6. Step 6: Final answer
    x = 252,118,686.60

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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.