Home / 72,114,838.60-99,518,564.76-39,075,061.66

Finding the Fourth Proportional to 72,114,838.60, 99,518,564.76 and 39,075,061.66

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Solution

The fourth proportional to 72,114,838.60, 99,518,564.76 and 39,075,061.66 is: 53,923,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,838.60 : 99,518,564.76 = 39,075,061.66 : x
  2. Step 2: Convert to fraction form
    72,114,838.60/99,518,564.76 = 39,075,061.66/x
  3. Step 3: Cross multiply
    72,114,838.60x = 99,518,564.76 × 39,075,061.66
  4. Step 4: Simplify right side
    72,114,838.60x = 3,888,694,054,311,703
  5. Step 5: Solve for x
    x = 3,888,694,054,311,703/72,114,838.60
  6. Step 6: Final answer
    x = 53,923,632.50

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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.