Home / 147,595,020.70-221,487,009.45-86,184,060.70

Finding the Fourth Proportional to 147,595,020.70, 221,487,009.45 and 86,184,060.70

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Solution

The fourth proportional to 147,595,020.70, 221,487,009.45 and 86,184,060.70 is: 129,331,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,595,020.70 : 221,487,009.45 = 86,184,060.70 : x
  2. Step 2: Convert to fraction form
    147,595,020.70/221,487,009.45 = 86,184,060.70/x
  3. Step 3: Cross multiply
    147,595,020.70x = 221,487,009.45 × 86,184,060.70
  4. Step 4: Simplify right side
    147,595,020.70x = 19,088,649,866,700,272
  5. Step 5: Solve for x
    x = 19,088,649,866,700,272/147,595,020.70
  6. Step 6: Final answer
    x = 129,331,259.12

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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.