Home / 207,330,733.40-310,996,100.10-204,307,424.60

Finding the Fourth Proportional to 207,330,733.40, 310,996,100.10 and 204,307,424.60

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Solution

The fourth proportional to 207,330,733.40, 310,996,100.10 and 204,307,424.60 is: 306,461,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,330,733.40 : 310,996,100.10 = 204,307,424.60 : x
  2. Step 2: Convert to fraction form
    207,330,733.40/310,996,100.10 = 204,307,424.60/x
  3. Step 3: Cross multiply
    207,330,733.40x = 310,996,100.10 × 204,307,424.60
  4. Step 4: Simplify right side
    207,330,733.40x = 63,538,812,272,074,808
  5. Step 5: Solve for x
    x = 63,538,812,272,074,808/207,330,733.40
  6. Step 6: Final answer
    x = 306,461,136.90

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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.