Home / 72,464,950.80-108,626,567.40-64,812,200.40

Finding the Fourth Proportional to 72,464,950.80, 108,626,567.40 and 64,812,200.40

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Solution

The fourth proportional to 72,464,950.80, 108,626,567.40 and 64,812,200.40 is: 97,154,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,464,950.80 : 108,626,567.40 = 64,812,200.40 : x
  2. Step 2: Convert to fraction form
    72,464,950.80/108,626,567.40 = 64,812,200.40/x
  3. Step 3: Cross multiply
    72,464,950.80x = 108,626,567.40 × 64,812,200.40
  4. Step 4: Simplify right side
    72,464,950.80x = 7,040,326,855,092,907
  5. Step 5: Solve for x
    x = 7,040,326,855,092,907/72,464,950.80
  6. Step 6: Final answer
    x = 97,154,924.93

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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.