Home / 111,462,763.57-153,818,973.02-61,903,137.24

Finding the Fourth Proportional to 111,462,763.57, 153,818,973.02 and 61,903,137.24

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Solution

The fourth proportional to 111,462,763.57, 153,818,973.02 and 61,903,137.24 is: 85,426,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,462,763.57 : 153,818,973.02 = 61,903,137.24 : x
  2. Step 2: Convert to fraction form
    111,462,763.57/153,818,973.02 = 61,903,137.24/x
  3. Step 3: Cross multiply
    111,462,763.57x = 153,818,973.02 × 61,903,137.24
  4. Step 4: Simplify right side
    111,462,763.57x = 9,521,876,996,972,918
  5. Step 5: Solve for x
    x = 9,521,876,996,972,918/111,462,763.57
  6. Step 6: Final answer
    x = 85,426,528.93

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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.