Home / 352,357,762.40-528,536,643.60-97,056,130.40

Finding the Fourth Proportional to 352,357,762.40, 528,536,643.60 and 97,056,130.40

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Solution

The fourth proportional to 352,357,762.40, 528,536,643.60 and 97,056,130.40 is: 145,584,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,357,762.40 : 528,536,643.60 = 97,056,130.40 : x
  2. Step 2: Convert to fraction form
    352,357,762.40/528,536,643.60 = 97,056,130.40/x
  3. Step 3: Cross multiply
    352,357,762.40x = 528,536,643.60 × 97,056,130.40
  4. Step 4: Simplify right side
    352,357,762.40x = 51,297,721,402,419,928
  5. Step 5: Solve for x
    x = 51,297,721,402,419,928/352,357,762.40
  6. Step 6: Final answer
    x = 145,584,195.60

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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.