Home / 96,686,539.40-145,029,809.10-74,767,550.60

Finding the Fourth Proportional to 96,686,539.40, 145,029,809.10 and 74,767,550.60

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Solution

The fourth proportional to 96,686,539.40, 145,029,809.10 and 74,767,550.60 is: 112,151,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686,539.40 : 145,029,809.10 = 74,767,550.60 : x
  2. Step 2: Convert to fraction form
    96,686,539.40/145,029,809.10 = 74,767,550.60/x
  3. Step 3: Cross multiply
    96,686,539.40x = 145,029,809.10 × 74,767,550.60
  4. Step 4: Simplify right side
    96,686,539.40x = 10,843,523,590,392,590
  5. Step 5: Solve for x
    x = 10,843,523,590,392,590/96,686,539.40
  6. Step 6: Final answer
    x = 112,151,325.90

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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.