Home / 151,715,510.02-209,316,151.92-98,768,108.80

Finding the Fourth Proportional to 151,715,510.02, 209,316,151.92 and 98,768,108.80

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Solution

The fourth proportional to 151,715,510.02, 209,316,151.92 and 98,768,108.80 is: 136,266,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715,510.02 : 209,316,151.92 = 98,768,108.80 : x
  2. Step 2: Convert to fraction form
    151,715,510.02/209,316,151.92 = 98,768,108.80/x
  3. Step 3: Cross multiply
    151,715,510.02x = 209,316,151.92 × 98,768,108.80
  4. Step 4: Simplify right side
    151,715,510.02x = 20,673,760,466,431,888
  5. Step 5: Solve for x
    x = 20,673,760,466,431,888/151,715,510.02
  6. Step 6: Final answer
    x = 136,266,624.71

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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.