Home / 104,985,343.20-157,478,014.80-83,302,550.40

Finding the Fourth Proportional to 104,985,343.20, 157,478,014.80 and 83,302,550.40

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Solution

The fourth proportional to 104,985,343.20, 157,478,014.80 and 83,302,550.40 is: 124,953,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,985,343.20 : 157,478,014.80 = 83,302,550.40 : x
  2. Step 2: Convert to fraction form
    104,985,343.20/157,478,014.80 = 83,302,550.40/x
  3. Step 3: Cross multiply
    104,985,343.20x = 157,478,014.80 × 83,302,550.40
  4. Step 4: Simplify right side
    104,985,343.20x = 13,118,320,264,768,948
  5. Step 5: Solve for x
    x = 13,118,320,264,768,948/104,985,343.20
  6. Step 6: Final answer
    x = 124,953,825.60

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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.