Home / 105,447,938.25-145,516,529.48-59,039,852.93

Finding the Fourth Proportional to 105,447,938.25, 145,516,529.48 and 59,039,852.93

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Solution

The fourth proportional to 105,447,938.25, 145,516,529.48 and 59,039,852.93 is: 81,474,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447,938.25 : 145,516,529.48 = 59,039,852.93 : x
  2. Step 2: Convert to fraction form
    105,447,938.25/145,516,529.48 = 59,039,852.93/x
  3. Step 3: Cross multiply
    105,447,938.25x = 145,516,529.48 × 59,039,852.93
  4. Step 4: Simplify right side
    105,447,938.25x = 8,591,274,499,383,209
  5. Step 5: Solve for x
    x = 8,591,274,499,383,209/105,447,938.25
  6. Step 6: Final answer
    x = 81,474,087.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.