Home / 86,831,095.18-130,218,989.94-28,525,239.16

Finding the Fourth Proportional to 86,831,095.18, 130,218,989.94 and 28,525,239.16

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Solution

The fourth proportional to 86,831,095.18, 130,218,989.94 and 28,525,239.16 is: 42,778,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831,095.18 : 130,218,989.94 = 28,525,239.16 : x
  2. Step 2: Convert to fraction form
    86,831,095.18/130,218,989.94 = 28,525,239.16/x
  3. Step 3: Cross multiply
    86,831,095.18x = 130,218,989.94 × 28,525,239.16
  4. Step 4: Simplify right side
    86,831,095.18x = 3,714,527,831,212,134
  5. Step 5: Solve for x
    x = 3,714,527,831,212,134/86,831,095.18
  6. Step 6: Final answer
    x = 42,778,774.40

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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.