Home / 148,112,657,765.02-204,391,991,115.98-87,148,973,666.53

Finding the Fourth Proportional to 148,112,657,765.02, 204,391,991,115.98 and 87,148,973,666.53

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Solution

The fourth proportional to 148,112,657,765.02, 204,391,991,115.98 and 87,148,973,666.53 is: 120,263,538,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112,657,765.02 : 204,391,991,115.98 = 87,148,973,666.53 : x
  2. Step 2: Convert to fraction form
    148,112,657,765.02/204,391,991,115.98 = 87,148,973,666.53/x
  3. Step 3: Cross multiply
    148,112,657,765.02x = 204,391,991,115.98 × 87,148,973,666.53
  4. Step 4: Simplify right side
    148,112,657,765.02x = 17,812,552,251,415,151,509,504
  5. Step 5: Solve for x
    x = 17,812,552,251,415,151,509,504/148,112,657,765.02
  6. Step 6: Final answer
    x = 120,263,538,040.58

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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.