Home / 52,506,692.70-78,760,039.05-45,326,334.30

Finding the Fourth Proportional to 52,506,692.70, 78,760,039.05 and 45,326,334.30

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Solution

The fourth proportional to 52,506,692.70, 78,760,039.05 and 45,326,334.30 is: 67,989,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,506,692.70 : 78,760,039.05 = 45,326,334.30 : x
  2. Step 2: Convert to fraction form
    52,506,692.70/78,760,039.05 = 45,326,334.30/x
  3. Step 3: Cross multiply
    52,506,692.70x = 78,760,039.05 × 45,326,334.30
  4. Step 4: Simplify right side
    52,506,692.70x = 3,569,903,859,461,354
  5. Step 5: Solve for x
    x = 3,569,903,859,461,354/52,506,692.70
  6. Step 6: Final answer
    x = 67,989,501.45

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Similar ratio
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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.