Home / 166,703,690.40-249,568,930.80-118,927,946.40

Finding the Fourth Proportional to 166,703,690.40, 249,568,930.80 and 118,927,946.40

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Solution

The fourth proportional to 166,703,690.40, 249,568,930.80 and 118,927,946.40 is: 178,044,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,703,690.40 : 249,568,930.80 = 118,927,946.40 : x
  2. Step 2: Convert to fraction form
    166,703,690.40/249,568,930.80 = 118,927,946.40/x
  3. Step 3: Cross multiply
    166,703,690.40x = 249,568,930.80 × 118,927,946.40
  4. Step 4: Simplify right side
    166,703,690.40x = 29,680,720,425,287,712
  5. Step 5: Solve for x
    x = 29,680,720,425,287,712/166,703,690.40
  6. Step 6: Final answer
    x = 178,044,771.26

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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.