Home / 52,490,688.40-78,736,032.60-48,333,638.80

Finding the Fourth Proportional to 52,490,688.40, 78,736,032.60 and 48,333,638.80

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Solution

The fourth proportional to 52,490,688.40, 78,736,032.60 and 48,333,638.80 is: 72,500,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490,688.40 : 78,736,032.60 = 48,333,638.80 : x
  2. Step 2: Convert to fraction form
    52,490,688.40/78,736,032.60 = 48,333,638.80/x
  3. Step 3: Cross multiply
    52,490,688.40x = 78,736,032.60 × 48,333,638.80
  4. Step 4: Simplify right side
    52,490,688.40x = 3,805,598,960,233,424.50
  5. Step 5: Solve for x
    x = 3,805,598,960,233,424.50/52,490,688.40
  6. Step 6: Final answer
    x = 72,500,458.20

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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.