Home / 101,123,807.90-151,685,711.85-100,116,038.30

Finding the Fourth Proportional to 101,123,807.90, 151,685,711.85 and 100,116,038.30

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Solution

The fourth proportional to 101,123,807.90, 151,685,711.85 and 100,116,038.30 is: 150,174,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,123,807.90 : 151,685,711.85 = 100,116,038.30 : x
  2. Step 2: Convert to fraction form
    101,123,807.90/151,685,711.85 = 100,116,038.30/x
  3. Step 3: Cross multiply
    101,123,807.90x = 151,685,711.85 × 100,116,038.30
  4. Step 4: Simplify right side
    101,123,807.90x = 15,186,172,537,137,362
  5. Step 5: Solve for x
    x = 15,186,172,537,137,362/101,123,807.90
  6. Step 6: Final answer
    x = 150,174,057.45

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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.