Home / 145,153,959.40-217,830,471.90-64,432,858.60

Finding the Fourth Proportional to 145,153,959.40, 217,830,471.90 and 64,432,858.60

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Solution

The fourth proportional to 145,153,959.40, 217,830,471.90 and 64,432,858.60 is: 96,693,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153,959.40 : 217,830,471.90 = 64,432,858.60 : x
  2. Step 2: Convert to fraction form
    145,153,959.40/217,830,471.90 = 64,432,858.60/x
  3. Step 3: Cross multiply
    145,153,959.40x = 217,830,471.90 × 64,432,858.60
  4. Step 4: Simplify right side
    145,153,959.40x = 14,035,439,994,703,974
  5. Step 5: Solve for x
    x = 14,035,439,994,703,974/145,153,959.40
  6. Step 6: Final answer
    x = 96,693,469.84

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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.