Home / 434,137,680.90-651,066,575.22-142,935,470.69

Finding the Fourth Proportional to 434,137,680.90, 651,066,575.22 and 142,935,470.69

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Solution

The fourth proportional to 434,137,680.90, 651,066,575.22 and 142,935,470.69 is: 214,357,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,137,680.90 : 651,066,575.22 = 142,935,470.69 : x
  2. Step 2: Convert to fraction form
    434,137,680.90/651,066,575.22 = 142,935,470.69/x
  3. Step 3: Cross multiply
    434,137,680.90x = 651,066,575.22 × 142,935,470.69
  4. Step 4: Simplify right side
    434,137,680.90x = 93,060,507,376,341,664
  5. Step 5: Solve for x
    x = 93,060,507,376,341,664/434,137,680.90
  6. Step 6: Final answer
    x = 214,357,130.17

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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.