Home / 79,341,638.40-119,012,457.60-73,602,075.60

Finding the Fourth Proportional to 79,341,638.40, 119,012,457.60 and 73,602,075.60

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Solution

The fourth proportional to 79,341,638.40, 119,012,457.60 and 73,602,075.60 is: 110,403,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341,638.40 : 119,012,457.60 = 73,602,075.60 : x
  2. Step 2: Convert to fraction form
    79,341,638.40/119,012,457.60 = 73,602,075.60/x
  3. Step 3: Cross multiply
    79,341,638.40x = 119,012,457.60 × 73,602,075.60
  4. Step 4: Simplify right side
    79,341,638.40x = 8,759,563,901,616,993
  5. Step 5: Solve for x
    x = 8,759,563,901,616,993/79,341,638.40
  6. Step 6: Final answer
    x = 110,403,113.40

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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.