Home / 219,440,499.16-302,830,818.75-120,320,995.38

Finding the Fourth Proportional to 219,440,499.16, 302,830,818.75 and 120,320,995.38

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Solution

The fourth proportional to 219,440,499.16, 302,830,818.75 and 120,320,995.38 is: 166,044,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,440,499.16 : 302,830,818.75 = 120,320,995.38 : x
  2. Step 2: Convert to fraction form
    219,440,499.16/302,830,818.75 = 120,320,995.38/x
  3. Step 3: Cross multiply
    219,440,499.16x = 302,830,818.75 × 120,320,995.38
  4. Step 4: Simplify right side
    219,440,499.16x = 36,436,905,543,740,368
  5. Step 5: Solve for x
    x = 36,436,905,543,740,368/219,440,499.16
  6. Step 6: Final answer
    x = 166,044,580.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.