Home / 77,559,011.43-107,031,409.67-42,752,283.14

Finding the Fourth Proportional to 77,559,011.43, 107,031,409.67 and 42,752,283.14

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Solution

The fourth proportional to 77,559,011.43, 107,031,409.67 and 42,752,283.14 is: 58,998,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,011.43 : 107,031,409.67 = 42,752,283.14 : x
  2. Step 2: Convert to fraction form
    77,559,011.43/107,031,409.67 = 42,752,283.14/x
  3. Step 3: Cross multiply
    77,559,011.43x = 107,031,409.67 × 42,752,283.14
  4. Step 4: Simplify right side
    77,559,011.43x = 4,575,837,130,336,256
  5. Step 5: Solve for x
    x = 4,575,837,130,336,256/77,559,011.43
  6. Step 6: Final answer
    x = 58,998,136.33

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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.