Home / 84,259,140.68-116,281,205.18-47,089,419.86

Finding the Fourth Proportional to 84,259,140.68, 116,281,205.18 and 47,089,419.86

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Solution

The fourth proportional to 84,259,140.68, 116,281,205.18 and 47,089,419.86 is: 64,985,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,140.68 : 116,281,205.18 = 47,089,419.86 : x
  2. Step 2: Convert to fraction form
    84,259,140.68/116,281,205.18 = 47,089,419.86/x
  3. Step 3: Cross multiply
    84,259,140.68x = 116,281,205.18 × 47,089,419.86
  4. Step 4: Simplify right side
    84,259,140.68x = 5,475,614,492,547,827
  5. Step 5: Solve for x
    x = 5,475,614,492,547,827/84,259,140.68
  6. Step 6: Final answer
    x = 64,985,406.31

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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.