Home / 75,645,240.40-113,467,860.60-66,717,031.60

Finding the Fourth Proportional to 75,645,240.40, 113,467,860.60 and 66,717,031.60

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Solution

The fourth proportional to 75,645,240.40, 113,467,860.60 and 66,717,031.60 is: 100,075,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645,240.40 : 113,467,860.60 = 66,717,031.60 : x
  2. Step 2: Convert to fraction form
    75,645,240.40/113,467,860.60 = 66,717,031.60/x
  3. Step 3: Cross multiply
    75,645,240.40x = 113,467,860.60 × 66,717,031.60
  4. Step 4: Simplify right side
    75,645,240.40x = 7,570,238,841,234,595
  5. Step 5: Solve for x
    x = 7,570,238,841,234,595/75,645,240.40
  6. Step 6: Final answer
    x = 100,075,547.40

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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.