Home / 243,975,377.77-365,983,733.81-78,002,810.53

Finding the Fourth Proportional to 243,975,377.77, 365,983,733.81 and 78,002,810.53

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Solution

The fourth proportional to 243,975,377.77, 365,983,733.81 and 78,002,810.53 is: 117,010,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,975,377.77 : 365,983,733.81 = 78,002,810.53 : x
  2. Step 2: Convert to fraction form
    243,975,377.77/365,983,733.81 = 78,002,810.53/x
  3. Step 3: Cross multiply
    243,975,377.77x = 365,983,733.81 × 78,002,810.53
  4. Step 4: Simplify right side
    243,975,377.77x = 28,547,759,845,443,384
  5. Step 5: Solve for x
    x = 28,547,759,845,443,384/243,975,377.77
  6. Step 6: Final answer
    x = 117,010,823.41

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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.