Home / 124,416,101.80-186,624,152.70-90,176,818.60

Finding the Fourth Proportional to 124,416,101.80, 186,624,152.70 and 90,176,818.60

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Solution

The fourth proportional to 124,416,101.80, 186,624,152.70 and 90,176,818.60 is: 135,265,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,101.80 : 186,624,152.70 = 90,176,818.60 : x
  2. Step 2: Convert to fraction form
    124,416,101.80/186,624,152.70 = 90,176,818.60/x
  3. Step 3: Cross multiply
    124,416,101.80x = 186,624,152.70 × 90,176,818.60
  4. Step 4: Simplify right side
    124,416,101.80x = 16,829,172,364,406,598
  5. Step 5: Solve for x
    x = 16,829,172,364,406,598/124,416,101.80
  6. Step 6: Final answer
    x = 135,265,227.90

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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.