Home / 56,955,395.84-78,598,448.96-30,849,913.67

Finding the Fourth Proportional to 56,955,395.84, 78,598,448.96 and 30,849,913.67

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Solution

The fourth proportional to 56,955,395.84, 78,598,448.96 and 30,849,913.67 is: 42,572,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,395.84 : 78,598,448.96 = 30,849,913.67 : x
  2. Step 2: Convert to fraction form
    56,955,395.84/78,598,448.96 = 30,849,913.67/x
  3. Step 3: Cross multiply
    56,955,395.84x = 78,598,448.96 × 30,849,913.67
  4. Step 4: Simplify right side
    56,955,395.84x = 2,424,755,364,464,659.50
  5. Step 5: Solve for x
    x = 2,424,755,364,464,659.50/56,955,395.84
  6. Step 6: Final answer
    x = 42,572,882.32

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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.