Home / 166,072,001.20-249,108,001.80-120,155,498.80

Finding the Fourth Proportional to 166,072,001.20, 249,108,001.80 and 120,155,498.80

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Solution

The fourth proportional to 166,072,001.20, 249,108,001.80 and 120,155,498.80 is: 180,233,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,072,001.20 : 249,108,001.80 = 120,155,498.80 : x
  2. Step 2: Convert to fraction form
    166,072,001.20/249,108,001.80 = 120,155,498.80/x
  3. Step 3: Cross multiply
    166,072,001.20x = 249,108,001.80 × 120,155,498.80
  4. Step 4: Simplify right side
    166,072,001.20x = 29,931,696,211,350,300
  5. Step 5: Solve for x
    x = 29,931,696,211,350,300/166,072,001.20
  6. Step 6: Final answer
    x = 180,233,248.20

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1.5x scale

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.