Home / 99,265,762.40-136,984,787.76-55,211,813.60

Finding the Fourth Proportional to 99,265,762.40, 136,984,787.76 and 55,211,813.60

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Solution

The fourth proportional to 99,265,762.40, 136,984,787.76 and 55,211,813.60 is: 76,191,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265,762.40 : 136,984,787.76 = 55,211,813.60 : x
  2. Step 2: Convert to fraction form
    99,265,762.40/136,984,787.76 = 55,211,813.60/x
  3. Step 3: Cross multiply
    99,265,762.40x = 136,984,787.76 × 55,211,813.60
  4. Step 4: Simplify right side
    99,265,762.40x = 7,563,178,567,840,681
  5. Step 5: Solve for x
    x = 7,563,178,567,840,681/99,265,762.40
  6. Step 6: Final answer
    x = 76,191,210.19

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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.