Home / 140,394,729.28-210,549,184.80-49,497,060.64

Finding the Fourth Proportional to 140,394,729.28, 210,549,184.80 and 49,497,060.64

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Solution

The fourth proportional to 140,394,729.28, 210,549,184.80 and 49,497,060.64 is: 74,230,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,394,729.28 : 210,549,184.80 = 49,497,060.64 : x
  2. Step 2: Convert to fraction form
    140,394,729.28/210,549,184.80 = 49,497,060.64/x
  3. Step 3: Cross multiply
    140,394,729.28x = 210,549,184.80 × 49,497,060.64
  4. Step 4: Simplify right side
    140,394,729.28x = 10,421,565,767,748,166
  5. Step 5: Solve for x
    x = 10,421,565,767,748,166/140,394,729.28
  6. Step 6: Final answer
    x = 74,230,463.08

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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.