Home / 103,484,511.09-155,226,766.77-42,059,278.49

Finding the Fourth Proportional to 103,484,511.09, 155,226,766.77 and 42,059,278.49

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Solution

The fourth proportional to 103,484,511.09, 155,226,766.77 and 42,059,278.49 is: 63,088,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484,511.09 : 155,226,766.77 = 42,059,278.49 : x
  2. Step 2: Convert to fraction form
    103,484,511.09/155,226,766.77 = 42,059,278.49/x
  3. Step 3: Cross multiply
    103,484,511.09x = 155,226,766.77 × 42,059,278.49
  4. Step 4: Simplify right side
    103,484,511.09x = 6,528,725,811,905,574
  5. Step 5: Solve for x
    x = 6,528,725,811,905,574/103,484,511.09
  6. Step 6: Final answer
    x = 63,088,917.78

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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.