Home / 161,841,602.80-242,762,404.20-118,794,881.80

Finding the Fourth Proportional to 161,841,602.80, 242,762,404.20 and 118,794,881.80

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Solution

The fourth proportional to 161,841,602.80, 242,762,404.20 and 118,794,881.80 is: 178,192,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,841,602.80 : 242,762,404.20 = 118,794,881.80 : x
  2. Step 2: Convert to fraction form
    161,841,602.80/242,762,404.20 = 118,794,881.80/x
  3. Step 3: Cross multiply
    161,841,602.80x = 242,762,404.20 × 118,794,881.80
  4. Step 4: Simplify right side
    161,841,602.80x = 28,838,931,112,422,820
  5. Step 5: Solve for x
    x = 28,838,931,112,422,820/161,841,602.80
  6. Step 6: Final answer
    x = 178,192,322.70

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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.