Home / 127,938,936.56-191,908,962.53-40,500,881.40

Finding the Fourth Proportional to 127,938,936.56, 191,908,962.53 and 40,500,881.40

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Solution

The fourth proportional to 127,938,936.56, 191,908,962.53 and 40,500,881.40 is: 60,751,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938,936.56 : 191,908,962.53 = 40,500,881.40 : x
  2. Step 2: Convert to fraction form
    127,938,936.56/191,908,962.53 = 40,500,881.40/x
  3. Step 3: Cross multiply
    127,938,936.56x = 191,908,962.53 × 40,500,881.40
  4. Step 4: Simplify right side
    127,938,936.56x = 7,772,482,130,973,948
  5. Step 5: Solve for x
    x = 7,772,482,130,973,948/127,938,936.56
  6. Step 6: Final answer
    x = 60,751,498.64

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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.