Home / 78,699,673.30-118,049,509.95-62,260,431.70

Finding the Fourth Proportional to 78,699,673.30, 118,049,509.95 and 62,260,431.70

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Solution

The fourth proportional to 78,699,673.30, 118,049,509.95 and 62,260,431.70 is: 93,390,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,699,673.30 : 118,049,509.95 = 62,260,431.70 : x
  2. Step 2: Convert to fraction form
    78,699,673.30/118,049,509.95 = 62,260,431.70/x
  3. Step 3: Cross multiply
    78,699,673.30x = 118,049,509.95 × 62,260,431.70
  4. Step 4: Simplify right side
    78,699,673.30x = 7,349,813,451,460,446
  5. Step 5: Solve for x
    x = 7,349,813,451,460,446/78,699,673.30
  6. Step 6: Final answer
    x = 93,390,647.55

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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.