Home / 114,913,051.80-172,369,577.70-71,830,901.40

Finding the Fourth Proportional to 114,913,051.80, 172,369,577.70 and 71,830,901.40

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Solution

The fourth proportional to 114,913,051.80, 172,369,577.70 and 71,830,901.40 is: 107,746,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,913,051.80 : 172,369,577.70 = 71,830,901.40 : x
  2. Step 2: Convert to fraction form
    114,913,051.80/172,369,577.70 = 71,830,901.40/x
  3. Step 3: Cross multiply
    114,913,051.80x = 172,369,577.70 × 71,830,901.40
  4. Step 4: Simplify right side
    114,913,051.80x = 12,381,462,140,128,338
  5. Step 5: Solve for x
    x = 12,381,462,140,128,338/114,913,051.80
  6. Step 6: Final answer
    x = 107,746,352.10

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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.