Home / 210,507,522.72-315,757,702.80-62,955,420

Finding the Fourth Proportional to 210,507,522.72, 315,757,702.80 and 62,955,420

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Solution

The fourth proportional to 210,507,522.72, 315,757,702.80 and 62,955,420 is: 94,432,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,507,522.72 : 315,757,702.80 = 62,955,420 : x
  2. Step 2: Convert to fraction form
    210,507,522.72/315,757,702.80 = 62,955,420/x
  3. Step 3: Cross multiply
    210,507,522.72x = 315,757,702.80 × 62,955,420
  4. Step 4: Simplify right side
    210,507,522.72x = 19,878,658,798,009,176
  5. Step 5: Solve for x
    x = 19,878,658,798,009,176/210,507,522.72
  6. Step 6: Final answer
    x = 94,432,058.96

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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.