Home / 268,281,602.90-402,422,404.35-98,146,870.10

Finding the Fourth Proportional to 268,281,602.90, 402,422,404.35 and 98,146,870.10

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Solution

The fourth proportional to 268,281,602.90, 402,422,404.35 and 98,146,870.10 is: 147,220,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281,602.90 : 402,422,404.35 = 98,146,870.10 : x
  2. Step 2: Convert to fraction form
    268,281,602.90/402,422,404.35 = 98,146,870.10/x
  3. Step 3: Cross multiply
    268,281,602.90x = 402,422,404.35 × 98,146,870.10
  4. Step 4: Simplify right side
    268,281,602.90x = 39,496,499,445,069,128
  5. Step 5: Solve for x
    x = 39,496,499,445,069,128/268,281,602.90
  6. Step 6: Final answer
    x = 147,220,305.15

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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.