Home / 268,656,415.80-402,984,623.70-98,433,209.40

Finding the Fourth Proportional to 268,656,415.80, 402,984,623.70 and 98,433,209.40

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Solution

The fourth proportional to 268,656,415.80, 402,984,623.70 and 98,433,209.40 is: 147,649,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,656,415.80 : 402,984,623.70 = 98,433,209.40 : x
  2. Step 2: Convert to fraction form
    268,656,415.80/402,984,623.70 = 98,433,209.40/x
  3. Step 3: Cross multiply
    268,656,415.80x = 402,984,623.70 × 98,433,209.40
  4. Step 4: Simplify right side
    268,656,415.80x = 39,667,069,849,642,304
  5. Step 5: Solve for x
    x = 39,667,069,849,642,304/268,656,415.80
  6. Step 6: Final answer
    x = 147,649,814.10

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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.