Home / 357,337,308.54-535,776,557.40-138,754,739.46

Finding the Fourth Proportional to 357,337,308.54, 535,776,557.40 and 138,754,739.46

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Solution

The fourth proportional to 357,337,308.54, 535,776,557.40 and 138,754,739.46 is: 208,043,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,337,308.54 : 535,776,557.40 = 138,754,739.46 : x
  2. Step 2: Convert to fraction form
    357,337,308.54/535,776,557.40 = 138,754,739.46/x
  3. Step 3: Cross multiply
    357,337,308.54x = 535,776,557.40 × 138,754,739.46
  4. Step 4: Simplify right side
    357,337,308.54x = 74,341,536,630,812,736
  5. Step 5: Solve for x
    x = 74,341,536,630,812,736/357,337,308.54
  6. Step 6: Final answer
    x = 208,043,030.64

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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.