Home / 74,423,416,811.51-111,635,119,060.50-20,640,551,705.72

Finding the Fourth Proportional to 74,423,416,811.51, 111,635,119,060.50 and 20,640,551,705.72

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Solution

The fourth proportional to 74,423,416,811.51, 111,635,119,060.50 and 20,640,551,705.72 is: 30,960,825,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423,416,811.51 : 111,635,119,060.50 = 20,640,551,705.72 : x
  2. Step 2: Convert to fraction form
    74,423,416,811.51/111,635,119,060.50 = 20,640,551,705.72/x
  3. Step 3: Cross multiply
    74,423,416,811.51x = 111,635,119,060.50 × 20,640,551,705.72
  4. Step 4: Simplify right side
    74,423,416,811.51x = 2,304,210,447,141,900,386,304
  5. Step 5: Solve for x
    x = 2,304,210,447,141,900,386,304/74,423,416,811.51
  6. Step 6: Final answer
    x = 30,960,825,851.06

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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.