Home / 105,308,276.40-157,962,414.60-70,870,899.60

Finding the Fourth Proportional to 105,308,276.40, 157,962,414.60 and 70,870,899.60

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Solution

The fourth proportional to 105,308,276.40, 157,962,414.60 and 70,870,899.60 is: 106,306,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,308,276.40 : 157,962,414.60 = 70,870,899.60 : x
  2. Step 2: Convert to fraction form
    105,308,276.40/157,962,414.60 = 70,870,899.60/x
  3. Step 3: Cross multiply
    105,308,276.40x = 157,962,414.60 × 70,870,899.60
  4. Step 4: Simplify right side
    105,308,276.40x = 11,194,938,425,690,172
  5. Step 5: Solve for x
    x = 11,194,938,425,690,172/105,308,276.40
  6. Step 6: Final answer
    x = 106,306,349.40

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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.