Home / 57,329,223.84-86,005,966.32-18,988,567.20

Finding the Fourth Proportional to 57,329,223.84, 86,005,966.32 and 18,988,567.20

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Solution

The fourth proportional to 57,329,223.84, 86,005,966.32 and 18,988,567.20 is: 28,486,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329,223.84 : 86,005,966.32 = 18,988,567.20 : x
  2. Step 2: Convert to fraction form
    57,329,223.84/86,005,966.32 = 18,988,567.20/x
  3. Step 3: Cross multiply
    57,329,223.84x = 86,005,966.32 × 18,988,567.20
  4. Step 4: Simplify right side
    57,329,223.84x = 1,633,130,071,068,256.50
  5. Step 5: Solve for x
    x = 1,633,130,071,068,256.50/57,329,223.84
  6. Step 6: Final answer
    x = 28,486,868.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.