Home / 48,144,509.84-66,421,988.88-31,633,521.68

Finding the Fourth Proportional to 48,144,509.84, 66,421,988.88 and 31,633,521.68

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Solution

The fourth proportional to 48,144,509.84, 66,421,988.88 and 31,633,521.68 is: 43,642,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144,509.84 : 66,421,988.88 = 31,633,521.68 : x
  2. Step 2: Convert to fraction form
    48,144,509.84/66,421,988.88 = 31,633,521.68/x
  3. Step 3: Cross multiply
    48,144,509.84x = 66,421,988.88 × 31,633,521.68
  4. Step 4: Simplify right side
    48,144,509.84x = 2,101,161,425,264,199
  5. Step 5: Solve for x
    x = 2,101,161,425,264,199/48,144,509.84
  6. Step 6: Final answer
    x = 43,642,804.39

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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.