Home / 105,175,123.20-157,762,684.80-89,050,809.60

Finding the Fourth Proportional to 105,175,123.20, 157,762,684.80 and 89,050,809.60

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Solution

The fourth proportional to 105,175,123.20, 157,762,684.80 and 89,050,809.60 is: 133,576,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,175,123.20 : 157,762,684.80 = 89,050,809.60 : x
  2. Step 2: Convert to fraction form
    105,175,123.20/157,762,684.80 = 89,050,809.60/x
  3. Step 3: Cross multiply
    105,175,123.20x = 157,762,684.80 × 89,050,809.60
  4. Step 4: Simplify right side
    105,175,123.20x = 14,048,894,806,109,614
  5. Step 5: Solve for x
    x = 14,048,894,806,109,614/105,175,123.20
  6. Step 6: Final answer
    x = 133,576,214.40

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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.