Home / 72,266,207,633.55-99,730,057,955.94-43,335,107,801.28

Finding the Fourth Proportional to 72,266,207,633.55, 99,730,057,955.94 and 43,335,107,801.28

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Solution

The fourth proportional to 72,266,207,633.55, 99,730,057,955.94 and 43,335,107,801.28 is: 59,804,062,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,266,207,633.55 : 99,730,057,955.94 = 43,335,107,801.28 : x
  2. Step 2: Convert to fraction form
    72,266,207,633.55/99,730,057,955.94 = 43,335,107,801.28/x
  3. Step 3: Cross multiply
    72,266,207,633.55x = 99,730,057,955.94 × 43,335,107,801.28
  4. Step 4: Simplify right side
    72,266,207,633.55x = 4,321,812,812,548,561,960,960
  5. Step 5: Solve for x
    x = 4,321,812,812,548,561,960,960/72,266,207,633.55
  6. Step 6: Final answer
    x = 59,804,062,701.94

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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.