Home / 329,312,047.80-493,968,071.70-86,974,951.80

Finding the Fourth Proportional to 329,312,047.80, 493,968,071.70 and 86,974,951.80

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Solution

The fourth proportional to 329,312,047.80, 493,968,071.70 and 86,974,951.80 is: 130,462,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,312,047.80 : 493,968,071.70 = 86,974,951.80 : x
  2. Step 2: Convert to fraction form
    329,312,047.80/493,968,071.70 = 86,974,951.80/x
  3. Step 3: Cross multiply
    329,312,047.80x = 493,968,071.70 × 86,974,951.80
  4. Step 4: Simplify right side
    329,312,047.80x = 42,962,849,226,846,440
  5. Step 5: Solve for x
    x = 42,962,849,226,846,440/329,312,047.80
  6. Step 6: Final answer
    x = 130,462,427.70

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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.