Home / 242,364,012.40-363,774,341.40-127,431,038.80

Finding the Fourth Proportional to 242,364,012.40, 363,774,341.40 and 127,431,038.80

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Solution

The fourth proportional to 242,364,012.40, 363,774,341.40 and 127,431,038.80 is: 191,266,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,364,012.40 : 363,774,341.40 = 127,431,038.80 : x
  2. Step 2: Convert to fraction form
    242,364,012.40/363,774,341.40 = 127,431,038.80/x
  3. Step 3: Cross multiply
    242,364,012.40x = 363,774,341.40 × 127,431,038.80
  4. Step 4: Simplify right side
    242,364,012.40x = 46,356,142,213,387,840
  5. Step 5: Solve for x
    x = 46,356,142,213,387,840/242,364,012.40
  6. Step 6: Final answer
    x = 191,266,606.60

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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.