Home / 56,955,390.09-78,598,441.02-30,849,907.92

Finding the Fourth Proportional to 56,955,390.09, 78,598,441.02 and 30,849,907.92

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Solution

The fourth proportional to 56,955,390.09, 78,598,441.02 and 30,849,907.92 is: 42,572,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,390.09 : 78,598,441.02 = 30,849,907.92 : x
  2. Step 2: Convert to fraction form
    56,955,390.09/78,598,441.02 = 30,849,907.92/x
  3. Step 3: Cross multiply
    56,955,390.09x = 78,598,441.02 × 30,849,907.92
  4. Step 4: Simplify right side
    56,955,390.09x = 2,424,754,668,122,551
  5. Step 5: Solve for x
    x = 2,424,754,668,122,551/56,955,390.09
  6. Step 6: Final answer
    x = 42,572,874.39

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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.