Home / 153,230,114.30-211,462,044-83,619,981.95

Finding the Fourth Proportional to 153,230,114.30, 211,462,044 and 83,619,981.95

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Solution

The fourth proportional to 153,230,114.30, 211,462,044 and 83,619,981.95 is: 115,398,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,230,114.30 : 211,462,044 = 83,619,981.95 : x
  2. Step 2: Convert to fraction form
    153,230,114.30/211,462,044 = 83,619,981.95/x
  3. Step 3: Cross multiply
    153,230,114.30x = 211,462,044 × 83,619,981.95
  4. Step 4: Simplify right side
    153,230,114.30x = 17,682,452,302,390,106
  5. Step 5: Solve for x
    x = 17,682,452,302,390,106/153,230,114.30
  6. Step 6: Final answer
    x = 115,398,023.31

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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.