Home / 72,010,058.16-99,374,197.18-38,970,312.37

Finding the Fourth Proportional to 72,010,058.16, 99,374,197.18 and 38,970,312.37

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Solution

The fourth proportional to 72,010,058.16, 99,374,197.18 and 38,970,312.37 is: 53,779,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,010,058.16 : 99,374,197.18 = 38,970,312.37 : x
  2. Step 2: Convert to fraction form
    72,010,058.16/99,374,197.18 = 38,970,312.37/x
  3. Step 3: Cross multiply
    72,010,058.16x = 99,374,197.18 × 38,970,312.37
  4. Step 4: Simplify right side
    72,010,058.16x = 3,872,643,505,698,924
  5. Step 5: Solve for x
    x = 3,872,643,505,698,924/72,010,058.16
  6. Step 6: Final answer
    x = 53,779,202.58

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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.