Home / 212,334,547,102.88-318,499,639,194.84-122,740,532,308.40

Finding the Fourth Proportional to 212,334,547,102.88, 318,499,639,194.84 and 122,740,532,308.40

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Solution

The fourth proportional to 212,334,547,102.88, 318,499,639,194.84 and 122,740,532,308.40 is: 184,109,537,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,334,547,102.88 : 318,499,639,194.84 = 122,740,532,308.40 : x
  2. Step 2: Convert to fraction form
    212,334,547,102.88/318,499,639,194.84 = 122,740,532,308.40/x
  3. Step 3: Cross multiply
    212,334,547,102.88x = 318,499,639,194.84 × 122,740,532,308.40
  4. Step 4: Simplify right side
    212,334,547,102.88x = 39,092,815,254,808,007,016,448
  5. Step 5: Solve for x
    x = 39,092,815,254,808,007,016,448/212,334,547,102.88
  6. Step 6: Final answer
    x = 184,109,537,464.32

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1.5x scale

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.