Home / 144,195,154.47-215,934,009.02-100,861,455.33

Finding the Fourth Proportional to 144,195,154.47, 215,934,009.02 and 100,861,455.33

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Solution

The fourth proportional to 144,195,154.47, 215,934,009.02 and 100,861,455.33 is: 151,041,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,195,154.47 : 215,934,009.02 = 100,861,455.33 : x
  2. Step 2: Convert to fraction form
    144,195,154.47/215,934,009.02 = 100,861,455.33/x
  3. Step 3: Cross multiply
    144,195,154.47x = 215,934,009.02 × 100,861,455.33
  4. Step 4: Simplify right side
    144,195,154.47x = 21,779,418,404,494,236
  5. Step 5: Solve for x
    x = 21,779,418,404,494,236/144,195,154.47
  6. Step 6: Final answer
    x = 151,041,264.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.