Home / 86,688,300.71-130,012,552.93-51,683,319.96

Finding the Fourth Proportional to 86,688,300.71, 130,012,552.93 and 51,683,319.96

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Solution

The fourth proportional to 86,688,300.71, 130,012,552.93 and 51,683,319.96 is: 77,513,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688,300.71 : 130,012,552.93 = 51,683,319.96 : x
  2. Step 2: Convert to fraction form
    86,688,300.71/130,012,552.93 = 51,683,319.96/x
  3. Step 3: Cross multiply
    86,688,300.71x = 130,012,552.93 × 51,683,319.96
  4. Step 4: Simplify right side
    86,688,300.71x = 6,719,480,371,247,563
  5. Step 5: Solve for x
    x = 6,719,480,371,247,563/86,688,300.71
  6. Step 6: Final answer
    x = 77,513,116.72

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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.