Home / 114,442,041.60-171,663,062.40-66,069,100.80

Finding the Fourth Proportional to 114,442,041.60, 171,663,062.40 and 66,069,100.80

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Solution

The fourth proportional to 114,442,041.60, 171,663,062.40 and 66,069,100.80 is: 99,103,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,442,041.60 : 171,663,062.40 = 66,069,100.80 : x
  2. Step 2: Convert to fraction form
    114,442,041.60/171,663,062.40 = 66,069,100.80/x
  3. Step 3: Cross multiply
    114,442,041.60x = 171,663,062.40 × 66,069,100.80
  4. Step 4: Simplify right side
    114,442,041.60x = 11,341,624,173,342,290
  5. Step 5: Solve for x
    x = 11,341,624,173,342,290/114,442,041.60
  6. Step 6: Final answer
    x = 99,103,651.20

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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.