Home / 157,465,128.60-236,197,692.90-143,116,221.60

Finding the Fourth Proportional to 157,465,128.60, 236,197,692.90 and 143,116,221.60

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Solution

The fourth proportional to 157,465,128.60, 236,197,692.90 and 143,116,221.60 is: 214,674,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,128.60 : 236,197,692.90 = 143,116,221.60 : x
  2. Step 2: Convert to fraction form
    157,465,128.60/236,197,692.90 = 143,116,221.60/x
  3. Step 3: Cross multiply
    157,465,128.60x = 236,197,692.90 × 143,116,221.60
  4. Step 4: Simplify right side
    157,465,128.60x = 33,803,721,358,485,148
  5. Step 5: Solve for x
    x = 33,803,721,358,485,148/157,465,128.60
  6. Step 6: Final answer
    x = 214,674,332.40

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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.