Home / 201,577,259.20-302,365,888.80-72,189,090.40

Finding the Fourth Proportional to 201,577,259.20, 302,365,888.80 and 72,189,090.40

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Solution

The fourth proportional to 201,577,259.20, 302,365,888.80 and 72,189,090.40 is: 108,283,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,577,259.20 : 302,365,888.80 = 72,189,090.40 : x
  2. Step 2: Convert to fraction form
    201,577,259.20/302,365,888.80 = 72,189,090.40/x
  3. Step 3: Cross multiply
    201,577,259.20x = 302,365,888.80 × 72,189,090.40
  4. Step 4: Simplify right side
    201,577,259.20x = 21,827,518,480,459,552
  5. Step 5: Solve for x
    x = 21,827,518,480,459,552/201,577,259.20
  6. Step 6: Final answer
    x = 108,283,635.60

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1.5x scale

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.