Home / 243,031,705.75-335,386,903.22-133,021,056.79

Finding the Fourth Proportional to 243,031,705.75, 335,386,903.22 and 133,021,056.79

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Solution

The fourth proportional to 243,031,705.75, 335,386,903.22 and 133,021,056.79 is: 183,570,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,031,705.75 : 335,386,903.22 = 133,021,056.79 : x
  2. Step 2: Convert to fraction form
    243,031,705.75/335,386,903.22 = 133,021,056.79/x
  3. Step 3: Cross multiply
    243,031,705.75x = 335,386,903.22 × 133,021,056.79
  4. Step 4: Simplify right side
    243,031,705.75x = 44,613,520,299,849,856
  5. Step 5: Solve for x
    x = 44,613,520,299,849,856/243,031,705.75
  6. Step 6: Final answer
    x = 183,570,782.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.