Home / 52,130,252.70-78,232,703.85-21,859,839.90

Finding the Fourth Proportional to 52,130,252.70, 78,232,703.85 and 21,859,839.90

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Solution

The fourth proportional to 52,130,252.70, 78,232,703.85 and 21,859,839.90 is: 32,805,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130,252.70 : 78,232,703.85 = 21,859,839.90 : x
  2. Step 2: Convert to fraction form
    52,130,252.70/78,232,703.85 = 21,859,839.90/x
  3. Step 3: Cross multiply
    52,130,252.70x = 78,232,703.85 × 21,859,839.90
  4. Step 4: Simplify right side
    52,130,252.70x = 1,710,154,381,105,113.25
  5. Step 5: Solve for x
    x = 1,710,154,381,105,113.25/52,130,252.70
  6. Step 6: Final answer
    x = 32,805,411.30

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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.