Home / 77,070,622.47-106,360,525.62-42,264,561.21

Finding the Fourth Proportional to 77,070,622.47, 106,360,525.62 and 42,264,561.21

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Solution

The fourth proportional to 77,070,622.47, 106,360,525.62 and 42,264,561.21 is: 58,326,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,070,622.47 : 106,360,525.62 = 42,264,561.21 : x
  2. Step 2: Convert to fraction form
    77,070,622.47/106,360,525.62 = 42,264,561.21/x
  3. Step 3: Cross multiply
    77,070,622.47x = 106,360,525.62 × 42,264,561.21
  4. Step 4: Simplify right side
    77,070,622.47x = 4,495,280,945,394,263.50
  5. Step 5: Solve for x
    x = 4,495,280,945,394,263.50/77,070,622.47
  6. Step 6: Final answer
    x = 58,326,776.16

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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.