Home / 77,849,934.48-116,738,957.76-28,653,430.32

Finding the Fourth Proportional to 77,849,934.48, 116,738,957.76 and 28,653,430.32

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Solution

The fourth proportional to 77,849,934.48, 116,738,957.76 and 28,653,430.32 is: 42,966,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849,934.48 : 116,738,957.76 = 28,653,430.32 : x
  2. Step 2: Convert to fraction form
    77,849,934.48/116,738,957.76 = 28,653,430.32/x
  3. Step 3: Cross multiply
    77,849,934.48x = 116,738,957.76 × 28,653,430.32
  4. Step 4: Simplify right side
    77,849,934.48x = 3,344,971,591,805,583.50
  5. Step 5: Solve for x
    x = 3,344,971,591,805,583.50/77,849,934.48
  6. Step 6: Final answer
    x = 42,966,915.95

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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.