Home / 127,810,015.80-191,715,023.70-107,402,681.40

Finding the Fourth Proportional to 127,810,015.80, 191,715,023.70 and 107,402,681.40

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Solution

The fourth proportional to 127,810,015.80, 191,715,023.70 and 107,402,681.40 is: 161,104,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,810,015.80 : 191,715,023.70 = 107,402,681.40 : x
  2. Step 2: Convert to fraction form
    127,810,015.80/191,715,023.70 = 107,402,681.40/x
  3. Step 3: Cross multiply
    127,810,015.80x = 191,715,023.70 × 107,402,681.40
  4. Step 4: Simplify right side
    127,810,015.80x = 20,590,707,610,044,548
  5. Step 5: Solve for x
    x = 20,590,707,610,044,548/127,810,015.80
  6. Step 6: Final answer
    x = 161,104,022.10

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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.