Home / 79,795,030.86-119,428,818.59-72,624,563.17

Finding the Fourth Proportional to 79,795,030.86, 119,428,818.59 and 72,624,563.17

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Solution

The fourth proportional to 79,795,030.86, 119,428,818.59 and 72,624,563.17 is: 108,696,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795,030.86 : 119,428,818.59 = 72,624,563.17 : x
  2. Step 2: Convert to fraction form
    79,795,030.86/119,428,818.59 = 72,624,563.17/x
  3. Step 3: Cross multiply
    79,795,030.86x = 119,428,818.59 × 72,624,563.17
  4. Step 4: Simplify right side
    79,795,030.86x = 8,673,465,779,890,915
  5. Step 5: Solve for x
    x = 8,673,465,779,890,915/79,795,030.86
  6. Step 6: Final answer
    x = 108,696,815.91

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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.