Home / 215,926,368.17-297,977,490.56-116,806,871.22

Finding the Fourth Proportional to 215,926,368.17, 297,977,490.56 and 116,806,871.22

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Solution

The fourth proportional to 215,926,368.17, 297,977,490.56 and 116,806,871.22 is: 161,192,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,926,368.17 : 297,977,490.56 = 116,806,871.22 : x
  2. Step 2: Convert to fraction form
    215,926,368.17/297,977,490.56 = 116,806,871.22/x
  3. Step 3: Cross multiply
    215,926,368.17x = 297,977,490.56 × 116,806,871.22
  4. Step 4: Simplify right side
    215,926,368.17x = 34,805,818,365,716,652
  5. Step 5: Solve for x
    x = 34,805,818,365,716,652/215,926,368.17
  6. Step 6: Final answer
    x = 161,192,996.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.