Home / 113,602,579.70-170,403,869.55-99,572,537.30

Finding the Fourth Proportional to 113,602,579.70, 170,403,869.55 and 99,572,537.30

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Solution

The fourth proportional to 113,602,579.70, 170,403,869.55 and 99,572,537.30 is: 149,358,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,602,579.70 : 170,403,869.55 = 99,572,537.30 : x
  2. Step 2: Convert to fraction form
    113,602,579.70/170,403,869.55 = 99,572,537.30/x
  3. Step 3: Cross multiply
    113,602,579.70x = 170,403,869.55 × 99,572,537.30
  4. Step 4: Simplify right side
    113,602,579.70x = 16,967,545,656,831,710
  5. Step 5: Solve for x
    x = 16,967,545,656,831,710/113,602,579.70
  6. Step 6: Final answer
    x = 149,358,805.95

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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.