Home / 86,688,298.99-130,012,550.36-51,683,318.24

Finding the Fourth Proportional to 86,688,298.99, 130,012,550.36 and 51,683,318.24

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Solution

The fourth proportional to 86,688,298.99, 130,012,550.36 and 51,683,318.24 is: 77,513,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688,298.99 : 130,012,550.36 = 51,683,318.24 : x
  2. Step 2: Convert to fraction form
    86,688,298.99/130,012,550.36 = 51,683,318.24/x
  3. Step 3: Cross multiply
    86,688,298.99x = 130,012,550.36 × 51,683,318.24
  4. Step 4: Simplify right side
    86,688,298.99x = 6,719,480,014,833,151
  5. Step 5: Solve for x
    x = 6,719,480,014,833,151/86,688,298.99
  6. Step 6: Final answer
    x = 77,513,114.14

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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.