Home / 166,703,758.40-249,569,032.80-118,928,014.40

Finding the Fourth Proportional to 166,703,758.40, 249,569,032.80 and 118,928,014.40

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Solution

The fourth proportional to 166,703,758.40, 249,569,032.80 and 118,928,014.40 is: 178,044,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,703,758.40 : 249,569,032.80 = 118,928,014.40 : x
  2. Step 2: Convert to fraction form
    166,703,758.40/249,569,032.80 = 118,928,014.40/x
  3. Step 3: Cross multiply
    166,703,758.40x = 249,569,032.80 × 118,928,014.40
  4. Step 4: Simplify right side
    166,703,758.40x = 29,680,749,526,632,476
  5. Step 5: Solve for x
    x = 29,680,749,526,632,476/166,703,758.40
  6. Step 6: Final answer
    x = 178,044,873.20

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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.