Home / 127,824,421.40-191,736,632.10-106,566,781.40

Finding the Fourth Proportional to 127,824,421.40, 191,736,632.10 and 106,566,781.40

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Solution

The fourth proportional to 127,824,421.40, 191,736,632.10 and 106,566,781.40 is: 159,850,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824,421.40 : 191,736,632.10 = 106,566,781.40 : x
  2. Step 2: Convert to fraction form
    127,824,421.40/191,736,632.10 = 106,566,781.40/x
  3. Step 3: Cross multiply
    127,824,421.40x = 191,736,632.10 × 106,566,781.40
  4. Step 4: Simplify right side
    127,824,421.40x = 20,432,755,759,372,924
  5. Step 5: Solve for x
    x = 20,432,755,759,372,924/127,824,421.40
  6. Step 6: Final answer
    x = 159,850,172.10

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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.