Home / 347,750,960.80-521,626,441.20-166,352,432.80

Finding the Fourth Proportional to 347,750,960.80, 521,626,441.20 and 166,352,432.80

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Solution

The fourth proportional to 347,750,960.80, 521,626,441.20 and 166,352,432.80 is: 249,528,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,750,960.80 : 521,626,441.20 = 166,352,432.80 : x
  2. Step 2: Convert to fraction form
    347,750,960.80/521,626,441.20 = 166,352,432.80/x
  3. Step 3: Cross multiply
    347,750,960.80x = 521,626,441.20 × 166,352,432.80
  4. Step 4: Simplify right side
    347,750,960.80x = 86,773,827,506,426,160
  5. Step 5: Solve for x
    x = 86,773,827,506,426,160/347,750,960.80
  6. Step 6: Final answer
    x = 249,528,649.20

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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.