Home / 347,734,809.60-521,602,214.40-105,366,220.80

Finding the Fourth Proportional to 347,734,809.60, 521,602,214.40 and 105,366,220.80

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Solution

The fourth proportional to 347,734,809.60, 521,602,214.40 and 105,366,220.80 is: 158,049,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,734,809.60 : 521,602,214.40 = 105,366,220.80 : x
  2. Step 2: Convert to fraction form
    347,734,809.60/521,602,214.40 = 105,366,220.80/x
  3. Step 3: Cross multiply
    347,734,809.60x = 521,602,214.40 × 105,366,220.80
  4. Step 4: Simplify right side
    347,734,809.60x = 54,959,254,092,239,336
  5. Step 5: Solve for x
    x = 54,959,254,092,239,336/347,734,809.60
  6. Step 6: Final answer
    x = 158,049,331.20

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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.