Home / 67,688,561.16-93,409,309.74-38,319,141.36

Finding the Fourth Proportional to 67,688,561.16, 93,409,309.74 and 38,319,141.36

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Solution

The fourth proportional to 67,688,561.16, 93,409,309.74 and 38,319,141.36 is: 52,879,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,688,561.16 : 93,409,309.74 = 38,319,141.36 : x
  2. Step 2: Convert to fraction form
    67,688,561.16/93,409,309.74 = 38,319,141.36/x
  3. Step 3: Cross multiply
    67,688,561.16x = 93,409,309.74 × 38,319,141.36
  4. Step 4: Simplify right side
    67,688,561.16x = 3,579,364,544,267,084.50
  5. Step 5: Solve for x
    x = 3,579,364,544,267,084.50/67,688,561.16
  6. Step 6: Final answer
    x = 52,879,902.94

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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.