Home / 152,254,077.47-210,105,000.77-82,637,963.68

Finding the Fourth Proportional to 152,254,077.47, 210,105,000.77 and 82,637,963.68

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Solution

The fourth proportional to 152,254,077.47, 210,105,000.77 and 82,637,963.68 is: 114,037,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,254,077.47 : 210,105,000.77 = 82,637,963.68 : x
  2. Step 2: Convert to fraction form
    152,254,077.47/210,105,000.77 = 82,637,963.68/x
  3. Step 3: Cross multiply
    152,254,077.47x = 210,105,000.77 × 82,637,963.68
  4. Step 4: Simplify right side
    152,254,077.47x = 17,362,649,421,153,916
  5. Step 5: Solve for x
    x = 17,362,649,421,153,916/152,254,077.47
  6. Step 6: Final answer
    x = 114,037,336.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.