Home / 61,246,133.20-91,869,199.80-39,563,340.40

Finding the Fourth Proportional to 61,246,133.20, 91,869,199.80 and 39,563,340.40

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Solution

The fourth proportional to 61,246,133.20, 91,869,199.80 and 39,563,340.40 is: 59,345,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246,133.20 : 91,869,199.80 = 39,563,340.40 : x
  2. Step 2: Convert to fraction form
    61,246,133.20/91,869,199.80 = 39,563,340.40/x
  3. Step 3: Cross multiply
    61,246,133.20x = 91,869,199.80 × 39,563,340.40
  4. Step 4: Simplify right side
    61,246,133.20x = 3,634,652,423,963,011.50
  5. Step 5: Solve for x
    x = 3,634,652,423,963,011.50/61,246,133.20
  6. Step 6: Final answer
    x = 59,345,010.60

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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.