Home / 86,688,300.59-130,012,552.75-51,683,319.83

Finding the Fourth Proportional to 86,688,300.59, 130,012,552.75 and 51,683,319.83

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Solution

The fourth proportional to 86,688,300.59, 130,012,552.75 and 51,683,319.83 is: 77,513,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688,300.59 : 130,012,552.75 = 51,683,319.83 : x
  2. Step 2: Convert to fraction form
    86,688,300.59/130,012,552.75 = 51,683,319.83/x
  3. Step 3: Cross multiply
    86,688,300.59x = 130,012,552.75 × 51,683,319.83
  4. Step 4: Simplify right side
    86,688,300.59x = 6,719,480,345,434,579
  5. Step 5: Solve for x
    x = 6,719,480,345,434,579/86,688,300.59
  6. Step 6: Final answer
    x = 77,513,116.53

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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.