Home / 103,364,934.20-142,649,963.34-56,955,176

Finding the Fourth Proportional to 103,364,934.20, 142,649,963.34 and 56,955,176

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Solution

The fourth proportional to 103,364,934.20, 142,649,963.34 and 56,955,176 is: 78,601,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,364,934.20 : 142,649,963.34 = 56,955,176 : x
  2. Step 2: Convert to fraction form
    103,364,934.20/142,649,963.34 = 56,955,176/x
  3. Step 3: Cross multiply
    103,364,934.20x = 142,649,963.34 × 56,955,176
  4. Step 4: Simplify right side
    103,364,934.20x = 8,124,653,768,423,248
  5. Step 5: Solve for x
    x = 8,124,653,768,423,248/103,364,934.20
  6. Step 6: Final answer
    x = 78,601,644.08

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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.