Home / 158,238,693.57-218,366,506.87-87,674,046.40

Finding the Fourth Proportional to 158,238,693.57, 218,366,506.87 and 87,674,046.40

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Solution

The fourth proportional to 158,238,693.57, 218,366,506.87 and 87,674,046.40 is: 120,988,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,238,693.57 : 218,366,506.87 = 87,674,046.40 : x
  2. Step 2: Convert to fraction form
    158,238,693.57/218,366,506.87 = 87,674,046.40/x
  3. Step 3: Cross multiply
    158,238,693.57x = 218,366,506.87 × 87,674,046.40
  4. Step 4: Simplify right side
    158,238,693.57x = 19,145,075,255,526,300
  5. Step 5: Solve for x
    x = 19,145,075,255,526,300/158,238,693.57
  6. Step 6: Final answer
    x = 120,988,582.65

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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.