Home / 72,605,724.30-108,908,586.45-56,166,482.70

Finding the Fourth Proportional to 72,605,724.30, 108,908,586.45 and 56,166,482.70

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Solution

The fourth proportional to 72,605,724.30, 108,908,586.45 and 56,166,482.70 is: 84,249,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,605,724.30 : 108,908,586.45 = 56,166,482.70 : x
  2. Step 2: Convert to fraction form
    72,605,724.30/108,908,586.45 = 56,166,482.70/x
  3. Step 3: Cross multiply
    72,605,724.30x = 108,908,586.45 × 56,166,482.70
  4. Step 4: Simplify right side
    72,605,724.30x = 6,117,012,236,725,380
  5. Step 5: Solve for x
    x = 6,117,012,236,725,380/72,605,724.30
  6. Step 6: Final answer
    x = 84,249,724.05

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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.