Home / 147,595,105.70-221,487,136.95-86,184,145.70

Finding the Fourth Proportional to 147,595,105.70, 221,487,136.95 and 86,184,145.70

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Solution

The fourth proportional to 147,595,105.70, 221,487,136.95 and 86,184,145.70 is: 129,331,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,595,105.70 : 221,487,136.95 = 86,184,145.70 : x
  2. Step 2: Convert to fraction form
    147,595,105.70/221,487,136.95 = 86,184,145.70/x
  3. Step 3: Cross multiply
    147,595,105.70x = 221,487,136.95 × 86,184,145.70
  4. Step 4: Simplify right side
    147,595,105.70x = 19,088,679,681,574,652
  5. Step 5: Solve for x
    x = 19,088,679,681,574,652/147,595,105.70
  6. Step 6: Final answer
    x = 129,331,386.64

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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.