Home / 86,249,855.90-119,023,174.13-52,756,870.69

Finding the Fourth Proportional to 86,249,855.90, 119,023,174.13 and 52,756,870.69

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Solution

The fourth proportional to 86,249,855.90, 119,023,174.13 and 52,756,870.69 is: 72,803,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249,855.90 : 119,023,174.13 = 52,756,870.69 : x
  2. Step 2: Convert to fraction form
    86,249,855.90/119,023,174.13 = 52,756,870.69/x
  3. Step 3: Cross multiply
    86,249,855.90x = 119,023,174.13 × 52,756,870.69
  4. Step 4: Simplify right side
    86,249,855.90x = 6,279,290,206,723,004
  5. Step 5: Solve for x
    x = 6,279,290,206,723,004/86,249,855.90
  6. Step 6: Final answer
    x = 72,803,486.35

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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.