Home / 173,480,007.61-239,400,178.41-99,139,715.48

Finding the Fourth Proportional to 173,480,007.61, 239,400,178.41 and 99,139,715.48

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Solution

The fourth proportional to 173,480,007.61, 239,400,178.41 and 99,139,715.48 is: 136,811,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,480,007.61 : 239,400,178.41 = 99,139,715.48 : x
  2. Step 2: Convert to fraction form
    173,480,007.61/239,400,178.41 = 99,139,715.48/x
  3. Step 3: Cross multiply
    173,480,007.61x = 239,400,178.41 × 99,139,715.48
  4. Step 4: Simplify right side
    173,480,007.61x = 23,734,065,572,231,636
  5. Step 5: Solve for x
    x = 23,734,065,572,231,636/173,480,007.61
  6. Step 6: Final answer
    x = 136,811,531.77

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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.