Home / 104,904,075.40-157,497,830.70-66,640,323.40

Finding the Fourth Proportional to 104,904,075.40, 157,497,830.70 and 66,640,323.40

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Solution

The fourth proportional to 104,904,075.40, 157,497,830.70 and 66,640,323.40 is: 100,050,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904,075.40 : 157,497,830.70 = 66,640,323.40 : x
  2. Step 2: Convert to fraction form
    104,904,075.40/157,497,830.70 = 66,640,323.40/x
  3. Step 3: Cross multiply
    104,904,075.40x = 157,497,830.70 × 66,640,323.40
  4. Step 4: Simplify right side
    104,904,075.40x = 10,495,706,372,646,448
  5. Step 5: Solve for x
    x = 10,495,706,372,646,448/104,904,075.40
  6. Step 6: Final answer
    x = 100,050,511.22

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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.