Home / 52,189,774.61-72,013,240.76-30,165,328.67

Finding the Fourth Proportional to 52,189,774.61, 72,013,240.76 and 30,165,328.67

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Solution

The fourth proportional to 52,189,774.61, 72,013,240.76 and 30,165,328.67 is: 41,623,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189,774.61 : 72,013,240.76 = 30,165,328.67 : x
  2. Step 2: Convert to fraction form
    52,189,774.61/72,013,240.76 = 30,165,328.67/x
  3. Step 3: Cross multiply
    52,189,774.61x = 72,013,240.76 × 30,165,328.67
  4. Step 4: Simplify right side
    52,189,774.61x = 2,172,303,075,606,347.50
  5. Step 5: Solve for x
    x = 2,172,303,075,606,347.50/52,189,774.61
  6. Step 6: Final answer
    x = 41,623,154.96

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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.