Home / 127,764,117.60-191,646,176.40-70,234,159.20

Finding the Fourth Proportional to 127,764,117.60, 191,646,176.40 and 70,234,159.20

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Solution

The fourth proportional to 127,764,117.60, 191,646,176.40 and 70,234,159.20 is: 105,351,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,764,117.60 : 191,646,176.40 = 70,234,159.20 : x
  2. Step 2: Convert to fraction form
    127,764,117.60/191,646,176.40 = 70,234,159.20/x
  3. Step 3: Cross multiply
    127,764,117.60x = 191,646,176.40 × 70,234,159.20
  4. Step 4: Simplify right side
    127,764,117.60x = 13,460,108,063,348,884
  5. Step 5: Solve for x
    x = 13,460,108,063,348,884/127,764,117.60
  6. Step 6: Final answer
    x = 105,351,238.80

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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.