Home / 207,918,987.16-286,931,585.64-113,831,546.08

Finding the Fourth Proportional to 207,918,987.16, 286,931,585.64 and 113,831,546.08

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Solution

The fourth proportional to 207,918,987.16, 286,931,585.64 and 113,831,546.08 is: 157,089,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918,987.16 : 286,931,585.64 = 113,831,546.08 : x
  2. Step 2: Convert to fraction form
    207,918,987.16/286,931,585.64 = 113,831,546.08/x
  3. Step 3: Cross multiply
    207,918,987.16x = 286,931,585.64 × 113,831,546.08
  4. Step 4: Simplify right side
    207,918,987.16x = 32,661,866,012,587,124
  5. Step 5: Solve for x
    x = 32,661,866,012,587,124/207,918,987.16
  6. Step 6: Final answer
    x = 157,089,385.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.