Home / 131,108,927.40-196,663,391.10-69,886,924.20

Finding the Fourth Proportional to 131,108,927.40, 196,663,391.10 and 69,886,924.20

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Solution

The fourth proportional to 131,108,927.40, 196,663,391.10 and 69,886,924.20 is: 104,830,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,108,927.40 : 196,663,391.10 = 69,886,924.20 : x
  2. Step 2: Convert to fraction form
    131,108,927.40/196,663,391.10 = 69,886,924.20/x
  3. Step 3: Cross multiply
    131,108,927.40x = 196,663,391.10 × 69,886,924.20
  4. Step 4: Simplify right side
    131,108,927.40x = 13,744,199,506,720,654
  5. Step 5: Solve for x
    x = 13,744,199,506,720,654/131,108,927.40
  6. Step 6: Final answer
    x = 104,830,386.30

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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.