Home / 243,455,280.48-365,238,909-79,698,319.20

Finding the Fourth Proportional to 243,455,280.48, 365,238,909 and 79,698,319.20

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Solution

The fourth proportional to 243,455,280.48, 365,238,909 and 79,698,319.20 is: 119,565,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,455,280.48 : 365,238,909 = 79,698,319.20 : x
  2. Step 2: Convert to fraction form
    243,455,280.48/365,238,909 = 79,698,319.20/x
  3. Step 3: Cross multiply
    243,455,280.48x = 365,238,909 × 79,698,319.20
  4. Step 4: Simplify right side
    243,455,280.48x = 29,108,927,153,741,752
  5. Step 5: Solve for x
    x = 29,108,927,153,741,752/243,455,280.48
  6. Step 6: Final answer
    x = 119,565,807.31

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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.