Home / 121,563,681.40-182,190,693.30-49,678,881.40

Finding the Fourth Proportional to 121,563,681.40, 182,190,693.30 and 49,678,881.40

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Solution

The fourth proportional to 121,563,681.40, 182,190,693.30 and 49,678,881.40 is: 74,455,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,563,681.40 : 182,190,693.30 = 49,678,881.40 : x
  2. Step 2: Convert to fraction form
    121,563,681.40/182,190,693.30 = 49,678,881.40/x
  3. Step 3: Cross multiply
    121,563,681.40x = 182,190,693.30 × 49,678,881.40
  4. Step 4: Simplify right side
    121,563,681.40x = 9,051,029,844,634,474
  5. Step 5: Solve for x
    x = 9,051,029,844,634,474/121,563,681.40
  6. Step 6: Final answer
    x = 74,455,048.91

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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.