Home / 102,529,312.32-153,774,372.72-30,725,728.32

Finding the Fourth Proportional to 102,529,312.32, 153,774,372.72 and 30,725,728.32

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Solution

The fourth proportional to 102,529,312.32, 153,774,372.72 and 30,725,728.32 is: 46,082,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529,312.32 : 153,774,372.72 = 30,725,728.32 : x
  2. Step 2: Convert to fraction form
    102,529,312.32/153,774,372.72 = 30,725,728.32/x
  3. Step 3: Cross multiply
    102,529,312.32x = 153,774,372.72 × 30,725,728.32
  4. Step 4: Simplify right side
    102,529,312.32x = 4,724,829,598,773,139
  5. Step 5: Solve for x
    x = 4,724,829,598,773,139/102,529,312.32
  6. Step 6: Final answer
    x = 46,082,720.07

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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.