Home / 75,590,904.80-113,173,780.80-67,938,154.40

Finding the Fourth Proportional to 75,590,904.80, 113,173,780.80 and 67,938,154.40

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Solution

The fourth proportional to 75,590,904.80, 113,173,780.80 and 67,938,154.40 is: 101,716,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,590,904.80 : 113,173,780.80 = 67,938,154.40 : x
  2. Step 2: Convert to fraction form
    75,590,904.80/113,173,780.80 = 67,938,154.40/x
  3. Step 3: Cross multiply
    75,590,904.80x = 113,173,780.80 × 67,938,154.40
  4. Step 4: Simplify right side
    75,590,904.80x = 7,688,817,794,022,156
  5. Step 5: Solve for x
    x = 7,688,817,794,022,156/75,590,904.80
  6. Step 6: Final answer
    x = 101,716,176.23

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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.