Home / 161,829,041,347.60-242,743,562,021.40-68,759,503,248.40

Finding the Fourth Proportional to 161,829,041,347.60, 242,743,562,021.40 and 68,759,503,248.40

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Solution

The fourth proportional to 161,829,041,347.60, 242,743,562,021.40 and 68,759,503,248.40 is: 103,139,254,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,829,041,347.60 : 242,743,562,021.40 = 68,759,503,248.40 : x
  2. Step 2: Convert to fraction form
    161,829,041,347.60/242,743,562,021.40 = 68,759,503,248.40/x
  3. Step 3: Cross multiply
    161,829,041,347.60x = 242,743,562,021.40 × 68,759,503,248.40
  4. Step 4: Simplify right side
    161,829,041,347.60x = 16,690,926,741,338,638,516,224
  5. Step 5: Solve for x
    x = 16,690,926,741,338,638,516,224/161,829,041,347.60
  6. Step 6: Final answer
    x = 103,139,254,872.60

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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.