Home / 280,908,038.10-421,362,057.15-232,440,618.90

Finding the Fourth Proportional to 280,908,038.10, 421,362,057.15 and 232,440,618.90

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Solution

The fourth proportional to 280,908,038.10, 421,362,057.15 and 232,440,618.90 is: 348,660,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,038.10 : 421,362,057.15 = 232,440,618.90 : x
  2. Step 2: Convert to fraction form
    280,908,038.10/421,362,057.15 = 232,440,618.90/x
  3. Step 3: Cross multiply
    280,908,038.10x = 421,362,057.15 × 232,440,618.90
  4. Step 4: Simplify right side
    280,908,038.10x = 97,941,657,344,923,168
  5. Step 5: Solve for x
    x = 97,941,657,344,923,168/280,908,038.10
  6. Step 6: Final answer
    x = 348,660,928.35

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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.