Home / 150,953,445.02-208,186,685.11-103,985,476.76

Finding the Fourth Proportional to 150,953,445.02, 208,186,685.11 and 103,985,476.76

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Solution

The fourth proportional to 150,953,445.02, 208,186,685.11 and 103,985,476.76 is: 143,411,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,953,445.02 : 208,186,685.11 = 103,985,476.76 : x
  2. Step 2: Convert to fraction form
    150,953,445.02/208,186,685.11 = 103,985,476.76/x
  3. Step 3: Cross multiply
    150,953,445.02x = 208,186,685.11 × 103,985,476.76
  4. Step 4: Simplify right side
    150,953,445.02x = 21,648,391,706,247,344
  5. Step 5: Solve for x
    x = 21,648,391,706,247,344/150,953,445.02
  6. Step 6: Final answer
    x = 143,411,047.71

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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.