Home / 212,747,931.70-319,132,395.15-110,711,259.70

Finding the Fourth Proportional to 212,747,931.70, 319,132,395.15 and 110,711,259.70

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Solution

The fourth proportional to 212,747,931.70, 319,132,395.15 and 110,711,259.70 is: 166,072,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,747,931.70 : 319,132,395.15 = 110,711,259.70 : x
  2. Step 2: Convert to fraction form
    212,747,931.70/319,132,395.15 = 110,711,259.70/x
  3. Step 3: Cross multiply
    212,747,931.70x = 319,132,395.15 × 110,711,259.70
  4. Step 4: Simplify right side
    212,747,931.70x = 35,331,549,478,134,668
  5. Step 5: Solve for x
    x = 35,331,549,478,134,668/212,747,931.70
  6. Step 6: Final answer
    x = 166,072,352.36

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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.