Home / 235,872,031.40-353,808,047.10-154,242,693.80

Finding the Fourth Proportional to 235,872,031.40, 353,808,047.10 and 154,242,693.80

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Solution

The fourth proportional to 235,872,031.40, 353,808,047.10 and 154,242,693.80 is: 231,364,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,872,031.40 : 353,808,047.10 = 154,242,693.80 : x
  2. Step 2: Convert to fraction form
    235,872,031.40/353,808,047.10 = 154,242,693.80/x
  3. Step 3: Cross multiply
    235,872,031.40x = 353,808,047.10 × 154,242,693.80
  4. Step 4: Simplify right side
    235,872,031.40x = 54,572,306,272,821,288
  5. Step 5: Solve for x
    x = 54,572,306,272,821,288/235,872,031.40
  6. Step 6: Final answer
    x = 231,364,040.70

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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.