Home / 385,066,504.80-577,537,779.60-112,373,359.20

Finding the Fourth Proportional to 385,066,504.80, 577,537,779.60 and 112,373,359.20

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Solution

The fourth proportional to 385,066,504.80, 577,537,779.60 and 112,373,359.20 is: 168,541,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,066,504.80 : 577,537,779.60 = 112,373,359.20 : x
  2. Step 2: Convert to fraction form
    385,066,504.80/577,537,779.60 = 112,373,359.20/x
  3. Step 3: Cross multiply
    385,066,504.80x = 577,537,779.60 × 112,373,359.20
  4. Step 4: Simplify right side
    385,066,504.80x = 64,899,860,358,561,240
  5. Step 5: Solve for x
    x = 64,899,860,358,561,240/385,066,504.80
  6. Step 6: Final answer
    x = 168,541,951.97

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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.