Home / 210,124,590-290,049,312.36-126,496,607.82

Finding the Fourth Proportional to 210,124,590, 290,049,312.36 and 126,496,607.82

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Solution

The fourth proportional to 210,124,590, 290,049,312.36 and 126,496,607.82 is: 174,611,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,124,590 : 290,049,312.36 = 126,496,607.82 : x
  2. Step 2: Convert to fraction form
    210,124,590/290,049,312.36 = 126,496,607.82/x
  3. Step 3: Cross multiply
    210,124,590x = 290,049,312.36 × 126,496,607.82
  4. Step 4: Simplify right side
    210,124,590x = 36,690,254,114,063,600
  5. Step 5: Solve for x
    x = 36,690,254,114,063,600/210,124,590
  6. Step 6: Final answer
    x = 174,611,901.03

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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.