Home / 132,991,012,709.72-183,525,329,344.56-72,022,885,830.08

Finding the Fourth Proportional to 132,991,012,709.72, 183,525,329,344.56 and 72,022,885,830.08

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Solution

The fourth proportional to 132,991,012,709.72, 183,525,329,344.56 and 72,022,885,830.08 is: 99,390,354,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991,012,709.72 : 183,525,329,344.56 = 72,022,885,830.08 : x
  2. Step 2: Convert to fraction form
    132,991,012,709.72/183,525,329,344.56 = 72,022,885,830.08/x
  3. Step 3: Cross multiply
    132,991,012,709.72x = 183,525,329,344.56 × 72,022,885,830.08
  4. Step 4: Simplify right side
    132,991,012,709.72x = 13,218,023,842,311,076,577,280
  5. Step 5: Solve for x
    x = 13,218,023,842,311,076,577,280/132,991,012,709.72
  6. Step 6: Final answer
    x = 99,390,354,077.25

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1.5x scale

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.