Home / 131,909,646.45-197,662,695.22-70,507,543.80

Finding the Fourth Proportional to 131,909,646.45, 197,662,695.22 and 70,507,543.80

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Solution

The fourth proportional to 131,909,646.45, 197,662,695.22 and 70,507,543.80 is: 105,653,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909,646.45 : 197,662,695.22 = 70,507,543.80 : x
  2. Step 2: Convert to fraction form
    131,909,646.45/197,662,695.22 = 70,507,543.80/x
  3. Step 3: Cross multiply
    131,909,646.45x = 197,662,695.22 × 70,507,543.80
  4. Step 4: Simplify right side
    131,909,646.45x = 13,936,711,140,850,200
  5. Step 5: Solve for x
    x = 13,936,711,140,850,200/131,909,646.45
  6. Step 6: Final answer
    x = 105,653,464.44

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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.