Home / 72,642,628,984.96-100,249,301,470.80-42,156,452,247.04

Finding the Fourth Proportional to 72,642,628,984.96, 100,249,301,470.80 and 42,156,452,247.04

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Solution

The fourth proportional to 72,642,628,984.96, 100,249,301,470.80 and 42,156,452,247.04 is: 58,177,339,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,642,628,984.96 : 100,249,301,470.80 = 42,156,452,247.04 : x
  2. Step 2: Convert to fraction form
    72,642,628,984.96/100,249,301,470.80 = 42,156,452,247.04/x
  3. Step 3: Cross multiply
    72,642,628,984.96x = 100,249,301,470.80 × 42,156,452,247.04
  4. Step 4: Simplify right side
    72,642,628,984.96x = 4,226,154,890,252,897,484,800
  5. Step 5: Solve for x
    x = 4,226,154,890,252,897,484,800/72,642,628,984.96
  6. Step 6: Final answer
    x = 58,177,339,522.33

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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.