Home / 161,484,691.80-242,283,024.90-70,673,453.40

Finding the Fourth Proportional to 161,484,691.80, 242,283,024.90 and 70,673,453.40

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Solution

The fourth proportional to 161,484,691.80, 242,283,024.90 and 70,673,453.40 is: 106,034,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,484,691.80 : 242,283,024.90 = 70,673,453.40 : x
  2. Step 2: Convert to fraction form
    161,484,691.80/242,283,024.90 = 70,673,453.40/x
  3. Step 3: Cross multiply
    161,484,691.80x = 242,283,024.90 × 70,673,453.40
  4. Step 4: Simplify right side
    161,484,691.80x = 17,122,978,069,881,192
  5. Step 5: Solve for x
    x = 17,122,978,069,881,192/161,484,691.80
  6. Step 6: Final answer
    x = 106,034,682.79

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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.