Home / 127,315,810.80-190,973,716.20-59,291,362.80

Finding the Fourth Proportional to 127,315,810.80, 190,973,716.20 and 59,291,362.80

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Solution

The fourth proportional to 127,315,810.80, 190,973,716.20 and 59,291,362.80 is: 88,937,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315,810.80 : 190,973,716.20 = 59,291,362.80 : x
  2. Step 2: Convert to fraction form
    127,315,810.80/190,973,716.20 = 59,291,362.80/x
  3. Step 3: Cross multiply
    127,315,810.80x = 190,973,716.20 × 59,291,362.80
  4. Step 4: Simplify right side
    127,315,810.80x = 11,323,091,892,478,436
  5. Step 5: Solve for x
    x = 11,323,091,892,478,436/127,315,810.80
  6. Step 6: Final answer
    x = 88,937,044.20

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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.