Home / 74,862,316.80-112,069,526.40-65,904,364.80

Finding the Fourth Proportional to 74,862,316.80, 112,069,526.40 and 65,904,364.80

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Solution

The fourth proportional to 74,862,316.80, 112,069,526.40 and 65,904,364.80 is: 98,659,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862,316.80 : 112,069,526.40 = 65,904,364.80 : x
  2. Step 2: Convert to fraction form
    74,862,316.80/112,069,526.40 = 65,904,364.80/x
  3. Step 3: Cross multiply
    74,862,316.80x = 112,069,526.40 × 65,904,364.80
  4. Step 4: Simplify right side
    74,862,316.80x = 7,385,870,950,828,831
  5. Step 5: Solve for x
    x = 7,385,870,950,828,831/74,862,316.80
  6. Step 6: Final answer
    x = 98,659,395.90

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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.