Home / 166,431,742.90-249,161,009.55-118,655,998.90

Finding the Fourth Proportional to 166,431,742.90, 249,161,009.55 and 118,655,998.90

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Solution

The fourth proportional to 166,431,742.90, 249,161,009.55 and 118,655,998.90 is: 177,637,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,431,742.90 : 249,161,009.55 = 118,655,998.90 : x
  2. Step 2: Convert to fraction form
    166,431,742.90/249,161,009.55 = 118,655,998.90/x
  3. Step 3: Cross multiply
    166,431,742.90x = 249,161,009.55 × 118,655,998.90
  4. Step 4: Simplify right side
    166,431,742.90x = 29,564,448,475,087,692
  5. Step 5: Solve for x
    x = 29,564,448,475,087,692/166,431,742.90
  6. Step 6: Final answer
    x = 177,637,077.88

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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.