Home / 149,361,457.60-223,953,712.80-77,697,841.60

Finding the Fourth Proportional to 149,361,457.60, 223,953,712.80 and 77,697,841.60

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Solution

The fourth proportional to 149,361,457.60, 223,953,712.80 and 77,697,841.60 is: 116,500,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,361,457.60 : 223,953,712.80 = 77,697,841.60 : x
  2. Step 2: Convert to fraction form
    149,361,457.60/223,953,712.80 = 77,697,841.60/x
  3. Step 3: Cross multiply
    149,361,457.60x = 223,953,712.80 × 77,697,841.60
  4. Step 4: Simplify right side
    149,361,457.60x = 17,400,720,102,866,292
  5. Step 5: Solve for x
    x = 17,400,720,102,866,292/149,361,457.60
  6. Step 6: Final answer
    x = 116,500,738.43

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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.