Home / 56,710,651.40-85,065,977.10-53,724,667.40

Finding the Fourth Proportional to 56,710,651.40, 85,065,977.10 and 53,724,667.40

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Solution

The fourth proportional to 56,710,651.40, 85,065,977.10 and 53,724,667.40 is: 80,587,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710,651.40 : 85,065,977.10 = 53,724,667.40 : x
  2. Step 2: Convert to fraction form
    56,710,651.40/85,065,977.10 = 53,724,667.40/x
  3. Step 3: Cross multiply
    56,710,651.40x = 85,065,977.10 × 53,724,667.40
  4. Step 4: Simplify right side
    56,710,651.40x = 4,570,141,326,753,516
  5. Step 5: Solve for x
    x = 4,570,141,326,753,516/56,710,651.40
  6. Step 6: Final answer
    x = 80,587,001.10

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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.