Home / 307,967,070.88-424,889,931.72-175,713,057.28

Finding the Fourth Proportional to 307,967,070.88, 424,889,931.72 and 175,713,057.28

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Solution

The fourth proportional to 307,967,070.88, 424,889,931.72 and 175,713,057.28 is: 242,424,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,967,070.88 : 424,889,931.72 = 175,713,057.28 : x
  2. Step 2: Convert to fraction form
    307,967,070.88/424,889,931.72 = 175,713,057.28/x
  3. Step 3: Cross multiply
    307,967,070.88x = 424,889,931.72 × 175,713,057.28
  4. Step 4: Simplify right side
    307,967,070.88x = 74,658,708,910,011,648
  5. Step 5: Solve for x
    x = 74,658,708,910,011,648/307,967,070.88
  6. Step 6: Final answer
    x = 242,424,323.80

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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.