Home / 66,426,697.20-99,640,045.80-48,286,844.40

Finding the Fourth Proportional to 66,426,697.20, 99,640,045.80 and 48,286,844.40

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Solution

The fourth proportional to 66,426,697.20, 99,640,045.80 and 48,286,844.40 is: 72,430,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,697.20 : 99,640,045.80 = 48,286,844.40 : x
  2. Step 2: Convert to fraction form
    66,426,697.20/99,640,045.80 = 48,286,844.40/x
  3. Step 3: Cross multiply
    66,426,697.20x = 99,640,045.80 × 48,286,844.40
  4. Step 4: Simplify right side
    66,426,697.20x = 4,811,303,387,553,473
  5. Step 5: Solve for x
    x = 4,811,303,387,553,473/66,426,697.20
  6. Step 6: Final answer
    x = 72,430,266.60

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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.