Home / 124,642,464,182.48-172,091,036,114.30-78,957,281,122.40

Finding the Fourth Proportional to 124,642,464,182.48, 172,091,036,114.30 and 78,957,281,122.40

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Solution

The fourth proportional to 124,642,464,182.48, 172,091,036,114.30 and 78,957,281,122.40 is: 109,014,535,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,642,464,182.48 : 172,091,036,114.30 = 78,957,281,122.40 : x
  2. Step 2: Convert to fraction form
    124,642,464,182.48/172,091,036,114.30 = 78,957,281,122.40/x
  3. Step 3: Cross multiply
    124,642,464,182.48x = 172,091,036,114.30 × 78,957,281,122.40
  4. Step 4: Simplify right side
    124,642,464,182.48x = 13,587,840,317,121,873,575,936
  5. Step 5: Solve for x
    x = 13,587,840,317,121,873,575,936/124,642,464,182.48
  6. Step 6: Final answer
    x = 109,014,535,345.10

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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.