Home / 78,758,390,888.90-108,686,584,739.16-43,115,705,900.90

Finding the Fourth Proportional to 78,758,390,888.90, 108,686,584,739.16 and 43,115,705,900.90

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Solution

The fourth proportional to 78,758,390,888.90, 108,686,584,739.16 and 43,115,705,900.90 is: 59,499,677,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,758,390,888.90 : 108,686,584,739.16 = 43,115,705,900.90 : x
  2. Step 2: Convert to fraction form
    78,758,390,888.90/108,686,584,739.16 = 43,115,705,900.90/x
  3. Step 3: Cross multiply
    78,758,390,888.90x = 108,686,584,739.16 × 43,115,705,900.90
  4. Step 4: Simplify right side
    78,758,390,888.90x = 4,686,098,822,986,868,981,760
  5. Step 5: Solve for x
    x = 4,686,098,822,986,868,981,760/78,758,390,888.90
  6. Step 6: Final answer
    x = 59,499,677,051.52

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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.