Home / 140,256,577.60-210,384,866.40-79,034,574.40

Finding the Fourth Proportional to 140,256,577.60, 210,384,866.40 and 79,034,574.40

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Solution

The fourth proportional to 140,256,577.60, 210,384,866.40 and 79,034,574.40 is: 118,551,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,256,577.60 : 210,384,866.40 = 79,034,574.40 : x
  2. Step 2: Convert to fraction form
    140,256,577.60/210,384,866.40 = 79,034,574.40/x
  3. Step 3: Cross multiply
    140,256,577.60x = 210,384,866.40 × 79,034,574.40
  4. Step 4: Simplify right side
    140,256,577.60x = 16,627,678,376,124,862
  5. Step 5: Solve for x
    x = 16,627,678,376,124,862/140,256,577.60
  6. Step 6: Final answer
    x = 118,551,861.60

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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.