Home / 196,832,896.80-295,249,345.20-81,779,200.80

Finding the Fourth Proportional to 196,832,896.80, 295,249,345.20 and 81,779,200.80

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Solution

The fourth proportional to 196,832,896.80, 295,249,345.20 and 81,779,200.80 is: 122,668,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,832,896.80 : 295,249,345.20 = 81,779,200.80 : x
  2. Step 2: Convert to fraction form
    196,832,896.80/295,249,345.20 = 81,779,200.80/x
  3. Step 3: Cross multiply
    196,832,896.80x = 295,249,345.20 × 81,779,200.80
  4. Step 4: Simplify right side
    196,832,896.80x = 24,145,255,487,179,316
  5. Step 5: Solve for x
    x = 24,145,255,487,179,316/196,832,896.80
  6. Step 6: Final answer
    x = 122,668,801.20

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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.