Home / 127,315,812.80-190,973,719.20-59,291,364.80

Finding the Fourth Proportional to 127,315,812.80, 190,973,719.20 and 59,291,364.80

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Solution

The fourth proportional to 127,315,812.80, 190,973,719.20 and 59,291,364.80 is: 88,937,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315,812.80 : 190,973,719.20 = 59,291,364.80 : x
  2. Step 2: Convert to fraction form
    127,315,812.80/190,973,719.20 = 59,291,364.80/x
  3. Step 3: Cross multiply
    127,315,812.80x = 190,973,719.20 × 59,291,364.80
  4. Step 4: Simplify right side
    127,315,812.80x = 11,323,092,452,299,962
  5. Step 5: Solve for x
    x = 11,323,092,452,299,962/127,315,812.80
  6. Step 6: Final answer
    x = 88,937,047.20

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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.