Home / 268,621,137.60-402,931,706.40-74,532,177.60

Finding the Fourth Proportional to 268,621,137.60, 402,931,706.40 and 74,532,177.60

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Solution

The fourth proportional to 268,621,137.60, 402,931,706.40 and 74,532,177.60 is: 111,798,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,621,137.60 : 402,931,706.40 = 74,532,177.60 : x
  2. Step 2: Convert to fraction form
    268,621,137.60/402,931,706.40 = 74,532,177.60/x
  3. Step 3: Cross multiply
    268,621,137.60x = 402,931,706.40 × 74,532,177.60
  4. Step 4: Simplify right side
    268,621,137.60x = 30,031,377,502,075,852
  5. Step 5: Solve for x
    x = 30,031,377,502,075,852/268,621,137.60
  6. Step 6: Final answer
    x = 111,798,266.40

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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.