Home / 280,592,473.17-420,879,261.90-98,834,927.25

Finding the Fourth Proportional to 280,592,473.17, 420,879,261.90 and 98,834,927.25

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Solution

The fourth proportional to 280,592,473.17, 420,879,261.90 and 98,834,927.25 is: 148,249,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,592,473.17 : 420,879,261.90 = 98,834,927.25 : x
  2. Step 2: Convert to fraction form
    280,592,473.17/420,879,261.90 = 98,834,927.25/x
  3. Step 3: Cross multiply
    280,592,473.17x = 420,879,261.90 × 98,834,927.25
  4. Step 4: Simplify right side
    280,592,473.17x = 41,597,571,230,920,192
  5. Step 5: Solve for x
    x = 41,597,571,230,920,192/280,592,473.17
  6. Step 6: Final answer
    x = 148,249,063.00

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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.