Home / 56,710,643.40-85,065,965.10-53,724,659.40

Finding the Fourth Proportional to 56,710,643.40, 85,065,965.10 and 53,724,659.40

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Solution

The fourth proportional to 56,710,643.40, 85,065,965.10 and 53,724,659.40 is: 80,586,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710,643.40 : 85,065,965.10 = 53,724,659.40 : x
  2. Step 2: Convert to fraction form
    56,710,643.40/85,065,965.10 = 53,724,659.40/x
  3. Step 3: Cross multiply
    56,710,643.40x = 85,065,965.10 × 53,724,659.40
  4. Step 4: Simplify right side
    56,710,643.40x = 4,570,140,001,529,786
  5. Step 5: Solve for x
    x = 4,570,140,001,529,786/56,710,643.40
  6. Step 6: Final answer
    x = 80,586,989.10

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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.