Home / 153,243,602.20-229,865,403.30-145,685,330.20

Finding the Fourth Proportional to 153,243,602.20, 229,865,403.30 and 145,685,330.20

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Solution

The fourth proportional to 153,243,602.20, 229,865,403.30 and 145,685,330.20 is: 218,527,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243,602.20 : 229,865,403.30 = 145,685,330.20 : x
  2. Step 2: Convert to fraction form
    153,243,602.20/229,865,403.30 = 145,685,330.20/x
  3. Step 3: Cross multiply
    153,243,602.20x = 229,865,403.30 × 145,685,330.20
  4. Step 4: Simplify right side
    153,243,602.20x = 33,488,017,181,316,668
  5. Step 5: Solve for x
    x = 33,488,017,181,316,668/153,243,602.20
  6. Step 6: Final answer
    x = 218,527,995.30

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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.