Home / 122,316,312.61-168,796,535.07-67,312,169.11

Finding the Fourth Proportional to 122,316,312.61, 168,796,535.07 and 67,312,169.11

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Solution

The fourth proportional to 122,316,312.61, 168,796,535.07 and 67,312,169.11 is: 92,890,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316,312.61 : 168,796,535.07 = 67,312,169.11 : x
  2. Step 2: Convert to fraction form
    122,316,312.61/168,796,535.07 = 67,312,169.11/x
  3. Step 3: Cross multiply
    122,316,312.61x = 168,796,535.07 × 67,312,169.11
  4. Step 4: Simplify right side
    122,316,312.61x = 11,362,060,913,813,886
  5. Step 5: Solve for x
    x = 11,362,060,913,813,886/122,316,312.61
  6. Step 6: Final answer
    x = 92,890,806.40

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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.