Home / 86,938,204.80-130,407,307.20-46,627,420.80

Finding the Fourth Proportional to 86,938,204.80, 130,407,307.20 and 46,627,420.80

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Solution

The fourth proportional to 86,938,204.80, 130,407,307.20 and 46,627,420.80 is: 69,941,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938,204.80 : 130,407,307.20 = 46,627,420.80 : x
  2. Step 2: Convert to fraction form
    86,938,204.80/130,407,307.20 = 46,627,420.80/x
  3. Step 3: Cross multiply
    86,938,204.80x = 130,407,307.20 × 46,627,420.80
  4. Step 4: Simplify right side
    86,938,204.80x = 6,080,556,388,209,270
  5. Step 5: Solve for x
    x = 6,080,556,388,209,270/86,938,204.80
  6. Step 6: Final answer
    x = 69,941,131.20

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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.