Home / 98,178,281,830.55-135,489,371,883.16-56,975,471,538.59

Finding the Fourth Proportional to 98,178,281,830.55, 135,489,371,883.16 and 56,975,471,538.59

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Solution

The fourth proportional to 98,178,281,830.55, 135,489,371,883.16 and 56,975,471,538.59 is: 78,628,090,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,178,281,830.55 : 135,489,371,883.16 = 56,975,471,538.59 : x
  2. Step 2: Convert to fraction form
    98,178,281,830.55/135,489,371,883.16 = 56,975,471,538.59/x
  3. Step 3: Cross multiply
    98,178,281,830.55x = 135,489,371,883.16 × 56,975,471,538.59
  4. Step 4: Simplify right side
    98,178,281,830.55x = 7,719,570,851,510,418,931,712
  5. Step 5: Solve for x
    x = 7,719,570,851,510,418,931,712/98,178,281,830.55
  6. Step 6: Final answer
    x = 78,628,090,730.23

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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.