Home / 72,114,848.10-99,518,577.87-39,075,071.16

Finding the Fourth Proportional to 72,114,848.10, 99,518,577.87 and 39,075,071.16

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Solution

The fourth proportional to 72,114,848.10, 99,518,577.87 and 39,075,071.16 is: 53,923,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,848.10 : 99,518,577.87 = 39,075,071.16 : x
  2. Step 2: Convert to fraction form
    72,114,848.10/99,518,577.87 = 39,075,071.16/x
  3. Step 3: Cross multiply
    72,114,848.10x = 99,518,577.87 × 39,075,071.16
  4. Step 4: Simplify right side
    72,114,848.10x = 3,888,695,512,012,251
  5. Step 5: Solve for x
    x = 3,888,695,512,012,251/72,114,848.10
  6. Step 6: Final answer
    x = 53,923,645.61

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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.