Home / 127,642,088.80-191,464,688.40-41,379,810.40

Finding the Fourth Proportional to 127,642,088.80, 191,464,688.40 and 41,379,810.40

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Solution

The fourth proportional to 127,642,088.80, 191,464,688.40 and 41,379,810.40 is: 62,070,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,642,088.80 : 191,464,688.40 = 41,379,810.40 : x
  2. Step 2: Convert to fraction form
    127,642,088.80/191,464,688.40 = 41,379,810.40/x
  3. Step 3: Cross multiply
    127,642,088.80x = 191,464,688.40 × 41,379,810.40
  4. Step 4: Simplify right side
    127,642,088.80x = 7,922,772,504,287,079
  5. Step 5: Solve for x
    x = 7,922,772,504,287,079/127,642,088.80
  6. Step 6: Final answer
    x = 62,070,219.77

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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.