Home / 103,274,701.65-142,521,643.95-56,234,353.95

Finding the Fourth Proportional to 103,274,701.65, 142,521,643.95 and 56,234,353.95

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Solution

The fourth proportional to 103,274,701.65, 142,521,643.95 and 56,234,353.95 is: 77,604,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274,701.65 : 142,521,643.95 = 56,234,353.95 : x
  2. Step 2: Convert to fraction form
    103,274,701.65/142,521,643.95 = 56,234,353.95/x
  3. Step 3: Cross multiply
    103,274,701.65x = 142,521,643.95 × 56,234,353.95
  4. Step 4: Simplify right side
    103,274,701.65x = 8,014,612,571,420,176
  5. Step 5: Solve for x
    x = 8,014,612,571,420,176/103,274,701.65
  6. Step 6: Final answer
    x = 77,604,800.05

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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.