Home / 148,691,239.65-205,149,162.75-89,130,804

Finding the Fourth Proportional to 148,691,239.65, 205,149,162.75 and 89,130,804

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Solution

The fourth proportional to 148,691,239.65, 205,149,162.75 and 89,130,804 is: 122,973,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,691,239.65 : 205,149,162.75 = 89,130,804 : x
  2. Step 2: Convert to fraction form
    148,691,239.65/205,149,162.75 = 89,130,804/x
  3. Step 3: Cross multiply
    148,691,239.65x = 205,149,162.75 × 89,130,804
  4. Step 4: Simplify right side
    148,691,239.65x = 18,285,109,815,834,352
  5. Step 5: Solve for x
    x = 18,285,109,815,834,352/148,691,239.65
  6. Step 6: Final answer
    x = 122,973,686.00

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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.