Home / 201,582,281.40-302,429,409.30-86,621,897.40

Finding the Fourth Proportional to 201,582,281.40, 302,429,409.30 and 86,621,897.40

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Solution

The fourth proportional to 201,582,281.40, 302,429,409.30 and 86,621,897.40 is: 129,956,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,281.40 : 302,429,409.30 = 86,621,897.40 : x
  2. Step 2: Convert to fraction form
    201,582,281.40/302,429,409.30 = 86,621,897.40/x
  3. Step 3: Cross multiply
    201,582,281.40x = 302,429,409.30 × 86,621,897.40
  4. Step 4: Simplify right side
    201,582,281.40x = 26,197,009,263,127,208
  5. Step 5: Solve for x
    x = 26,197,009,263,127,208/201,582,281.40
  6. Step 6: Final answer
    x = 129,956,904.35

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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.