Home / 151,715,509.02-209,316,150.54-98,768,107.80

Finding the Fourth Proportional to 151,715,509.02, 209,316,150.54 and 98,768,107.80

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Solution

The fourth proportional to 151,715,509.02, 209,316,150.54 and 98,768,107.80 is: 136,266,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715,509.02 : 209,316,150.54 = 98,768,107.80 : x
  2. Step 2: Convert to fraction form
    151,715,509.02/209,316,150.54 = 98,768,107.80/x
  3. Step 3: Cross multiply
    151,715,509.02x = 209,316,150.54 × 98,768,107.80
  4. Step 4: Simplify right side
    151,715,509.02x = 20,673,760,120,815,748
  5. Step 5: Solve for x
    x = 20,673,760,120,815,748/151,715,509.02
  6. Step 6: Final answer
    x = 136,266,623.33

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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.