Home / 119,808,051.20-179,712,076.80-79,464,089.60

Finding the Fourth Proportional to 119,808,051.20, 179,712,076.80 and 79,464,089.60

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Solution

The fourth proportional to 119,808,051.20, 179,712,076.80 and 79,464,089.60 is: 119,196,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,808,051.20 : 179,712,076.80 = 79,464,089.60 : x
  2. Step 2: Convert to fraction form
    119,808,051.20/179,712,076.80 = 79,464,089.60/x
  3. Step 3: Cross multiply
    119,808,051.20x = 179,712,076.80 × 79,464,089.60
  4. Step 4: Simplify right side
    119,808,051.20x = 14,280,656,573,037,282
  5. Step 5: Solve for x
    x = 14,280,656,573,037,282/119,808,051.20
  6. Step 6: Final answer
    x = 119,196,134.40

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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.