Home / 86,038,139.15-118,731,137.10-46,880,237.67

Finding the Fourth Proportional to 86,038,139.15, 118,731,137.10 and 46,880,237.67

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Solution

The fourth proportional to 86,038,139.15, 118,731,137.10 and 46,880,237.67 is: 64,693,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,038,139.15 : 118,731,137.10 = 46,880,237.67 : x
  2. Step 2: Convert to fraction form
    86,038,139.15/118,731,137.10 = 46,880,237.67/x
  3. Step 3: Cross multiply
    86,038,139.15x = 118,731,137.10 × 46,880,237.67
  4. Step 4: Simplify right side
    86,038,139.15x = 5,566,143,925,249,298
  5. Step 5: Solve for x
    x = 5,566,143,925,249,298/86,038,139.15
  6. Step 6: Final answer
    x = 64,693,913.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.