Home / 127,656,345.60-191,360,102.40-73,012,838.40

Finding the Fourth Proportional to 127,656,345.60, 191,360,102.40 and 73,012,838.40

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Solution

The fourth proportional to 127,656,345.60, 191,360,102.40 and 73,012,838.40 is: 109,448,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656,345.60 : 191,360,102.40 = 73,012,838.40 : x
  2. Step 2: Convert to fraction form
    127,656,345.60/191,360,102.40 = 73,012,838.40/x
  3. Step 3: Cross multiply
    127,656,345.60x = 191,360,102.40 × 73,012,838.40
  4. Step 4: Simplify right side
    127,656,345.60x = 13,971,744,232,738,654
  5. Step 5: Solve for x
    x = 13,971,744,232,738,654/127,656,345.60
  6. Step 6: Final answer
    x = 109,448,098.07

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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.