Home / 288,719,075.15-433,104,062.12-81,459,301.31

Finding the Fourth Proportional to 288,719,075.15, 433,104,062.12 and 81,459,301.31

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Solution

The fourth proportional to 288,719,075.15, 433,104,062.12 and 81,459,301.31 is: 122,196,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,719,075.15 : 433,104,062.12 = 81,459,301.31 : x
  2. Step 2: Convert to fraction form
    288,719,075.15/433,104,062.12 = 81,459,301.31/x
  3. Step 3: Cross multiply
    288,719,075.15x = 433,104,062.12 × 81,459,301.31
  4. Step 4: Simplify right side
    288,719,075.15x = 35,280,354,292,245,224
  5. Step 5: Solve for x
    x = 35,280,354,292,245,224/288,719,075.15
  6. Step 6: Final answer
    x = 122,196,132.26

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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.