Home / 161,829,041,342.60-242,743,562,013.90-68,759,503,243.40

Finding the Fourth Proportional to 161,829,041,342.60, 242,743,562,013.90 and 68,759,503,243.40

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Solution

The fourth proportional to 161,829,041,342.60, 242,743,562,013.90 and 68,759,503,243.40 is: 103,139,254,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,829,041,342.60 : 242,743,562,013.90 = 68,759,503,243.40 : x
  2. Step 2: Convert to fraction form
    161,829,041,342.60/242,743,562,013.90 = 68,759,503,243.40/x
  3. Step 3: Cross multiply
    161,829,041,342.60x = 242,743,562,013.90 × 68,759,503,243.40
  4. Step 4: Simplify right side
    161,829,041,342.60x = 16,690,926,739,609,224,216,576
  5. Step 5: Solve for x
    x = 16,690,926,739,609,224,216,576/161,829,041,342.60
  6. Step 6: Final answer
    x = 103,139,254,865.10

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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.