Home / 180,020,581.92-248,423,312.88-105,679,948.32

Finding the Fourth Proportional to 180,020,581.92, 248,423,312.88 and 105,679,948.32

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Solution

The fourth proportional to 180,020,581.92, 248,423,312.88 and 105,679,948.32 is: 145,835,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,020,581.92 : 248,423,312.88 = 105,679,948.32 : x
  2. Step 2: Convert to fraction form
    180,020,581.92/248,423,312.88 = 105,679,948.32/x
  3. Step 3: Cross multiply
    180,020,581.92x = 248,423,312.88 × 105,679,948.32
  4. Step 4: Simplify right side
    180,020,581.92x = 26,253,362,866,641,588
  5. Step 5: Solve for x
    x = 26,253,362,866,641,588/180,020,581.92
  6. Step 6: Final answer
    x = 145,835,340.53

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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.