Home / 298,971,681.40-448,457,522.10-117,218,859.40

Finding the Fourth Proportional to 298,971,681.40, 448,457,522.10 and 117,218,859.40

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Solution

The fourth proportional to 298,971,681.40, 448,457,522.10 and 117,218,859.40 is: 175,828,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,681.40 : 448,457,522.10 = 117,218,859.40 : x
  2. Step 2: Convert to fraction form
    298,971,681.40/448,457,522.10 = 117,218,859.40/x
  3. Step 3: Cross multiply
    298,971,681.40x = 448,457,522.10 × 117,218,859.40
  4. Step 4: Simplify right side
    298,971,681.40x = 52,567,679,229,912,296
  5. Step 5: Solve for x
    x = 52,567,679,229,912,296/298,971,681.40
  6. Step 6: Final answer
    x = 175,828,289.10

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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.