Home / 72,169,637.21-108,077,893.65-65,174,547.86

Finding the Fourth Proportional to 72,169,637.21, 108,077,893.65 and 65,174,547.86

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Solution

The fourth proportional to 72,169,637.21, 108,077,893.65 and 65,174,547.86 is: 97,602,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,169,637.21 : 108,077,893.65 = 65,174,547.86 : x
  2. Step 2: Convert to fraction form
    72,169,637.21/108,077,893.65 = 65,174,547.86/x
  3. Step 3: Cross multiply
    72,169,637.21x = 108,077,893.65 × 65,174,547.86
  4. Step 4: Simplify right side
    72,169,637.21x = 7,043,927,852,772,757
  5. Step 5: Solve for x
    x = 7,043,927,852,772,757/72,169,637.21
  6. Step 6: Final answer
    x = 97,602,373.04

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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.