Home / 77,403,508.24-106,816,857.40-42,596,199.04

Finding the Fourth Proportional to 77,403,508.24, 106,816,857.40 and 42,596,199.04

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Solution

The fourth proportional to 77,403,508.24, 106,816,857.40 and 42,596,199.04 is: 58,782,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,508.24 : 106,816,857.40 = 42,596,199.04 : x
  2. Step 2: Convert to fraction form
    77,403,508.24/106,816,857.40 = 42,596,199.04/x
  3. Step 3: Cross multiply
    77,403,508.24x = 106,816,857.40 × 42,596,199.04
  4. Step 4: Simplify right side
    77,403,508.24x = 4,549,992,118,637,697
  5. Step 5: Solve for x
    x = 4,549,992,118,637,697/77,403,508.24
  6. Step 6: Final answer
    x = 58,782,763.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.