Home / 242,176,171.20-363,264,256.80-127,116,254.40

Finding the Fourth Proportional to 242,176,171.20, 363,264,256.80 and 127,116,254.40

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Solution

The fourth proportional to 242,176,171.20, 363,264,256.80 and 127,116,254.40 is: 190,674,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,176,171.20 : 363,264,256.80 = 127,116,254.40 : x
  2. Step 2: Convert to fraction form
    242,176,171.20/363,264,256.80 = 127,116,254.40/x
  3. Step 3: Cross multiply
    242,176,171.20x = 363,264,256.80 × 127,116,254.40
  4. Step 4: Simplify right side
    242,176,171.20x = 46,176,791,681,815,736
  5. Step 5: Solve for x
    x = 46,176,791,681,815,736/242,176,171.20
  6. Step 6: Final answer
    x = 190,674,381.60

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1.5x scale

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.