Home / 127,746,238.02-191,619,360.81-40,316,615.70

Finding the Fourth Proportional to 127,746,238.02, 191,619,360.81 and 40,316,615.70

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Solution

The fourth proportional to 127,746,238.02, 191,619,360.81 and 40,316,615.70 is: 60,474,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,238.02 : 191,619,360.81 = 40,316,615.70 : x
  2. Step 2: Convert to fraction form
    127,746,238.02/191,619,360.81 = 40,316,615.70/x
  3. Step 3: Cross multiply
    127,746,238.02x = 191,619,360.81 × 40,316,615.70
  4. Step 4: Simplify right side
    127,746,238.02x = 7,725,444,130,456,411
  5. Step 5: Solve for x
    x = 7,725,444,130,456,411/127,746,238.02
  6. Step 6: Final answer
    x = 60,474,924.74

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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.