Home / 242,429,312.80-363,431,392.80-145,423,615.60

Finding the Fourth Proportional to 242,429,312.80, 363,431,392.80 and 145,423,615.60

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Solution

The fourth proportional to 242,429,312.80, 363,431,392.80 and 145,423,615.60 is: 218,007,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,429,312.80 : 363,431,392.80 = 145,423,615.60 : x
  2. Step 2: Convert to fraction form
    242,429,312.80/363,431,392.80 = 145,423,615.60/x
  3. Step 3: Cross multiply
    242,429,312.80x = 363,431,392.80 × 145,423,615.60
  4. Step 4: Simplify right side
    242,429,312.80x = 52,851,507,163,519,808
  5. Step 5: Solve for x
    x = 52,851,507,163,519,808/242,429,312.80
  6. Step 6: Final answer
    x = 218,007,907.35

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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.