Home / 156,678,561.60-235,017,842.40-48,973,012.80

Finding the Fourth Proportional to 156,678,561.60, 235,017,842.40 and 48,973,012.80

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Solution

The fourth proportional to 156,678,561.60, 235,017,842.40 and 48,973,012.80 is: 73,459,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,678,561.60 : 235,017,842.40 = 48,973,012.80 : x
  2. Step 2: Convert to fraction form
    156,678,561.60/235,017,842.40 = 48,973,012.80/x
  3. Step 3: Cross multiply
    156,678,561.60x = 235,017,842.40 × 48,973,012.80
  4. Step 4: Simplify right side
    156,678,561.60x = 11,509,531,804,083,582
  5. Step 5: Solve for x
    x = 11,509,531,804,083,582/156,678,561.60
  6. Step 6: Final answer
    x = 73,459,519.20

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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.