Home / 92,779,771.45-128,028,617.86-53,624,084.31

Finding the Fourth Proportional to 92,779,771.45, 128,028,617.86 and 53,624,084.31

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Solution

The fourth proportional to 92,779,771.45, 128,028,617.86 and 53,624,084.31 is: 73,996,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,779,771.45 : 128,028,617.86 = 53,624,084.31 : x
  2. Step 2: Convert to fraction form
    92,779,771.45/128,028,617.86 = 53,624,084.31/x
  3. Step 3: Cross multiply
    92,779,771.45x = 128,028,617.86 × 53,624,084.31
  4. Step 4: Simplify right side
    92,779,771.45x = 6,865,417,397,748,667
  5. Step 5: Solve for x
    x = 6,865,417,397,748,667/92,779,771.45
  6. Step 6: Final answer
    x = 73,996,920.78

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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.