Home / 145,663,725.50-218,353,575-58,199,165.72

Finding the Fourth Proportional to 145,663,725.50, 218,353,575 and 58,199,165.72

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Solution

The fourth proportional to 145,663,725.50, 218,353,575 and 58,199,165.72 is: 87,242,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,663,725.50 : 218,353,575 = 58,199,165.72 : x
  2. Step 2: Convert to fraction form
    145,663,725.50/218,353,575 = 58,199,165.72/x
  3. Step 3: Cross multiply
    145,663,725.50x = 218,353,575 × 58,199,165.72
  4. Step 4: Simplify right side
    145,663,725.50x = 12,707,995,896,979,448
  5. Step 5: Solve for x
    x = 12,707,995,896,979,448/145,663,725.50
  6. Step 6: Final answer
    x = 87,242,007.94

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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.