Home / 66,480,510.64-91,077,874.77-63,994,448.31

Finding the Fourth Proportional to 66,480,510.64, 91,077,874.77 and 63,994,448.31

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Solution

The fourth proportional to 66,480,510.64, 91,077,874.77 and 63,994,448.31 is: 87,671,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,510.64 : 91,077,874.77 = 63,994,448.31 : x
  2. Step 2: Convert to fraction form
    66,480,510.64/91,077,874.77 = 63,994,448.31/x
  3. Step 3: Cross multiply
    66,480,510.64x = 91,077,874.77 × 63,994,448.31
  4. Step 4: Simplify right side
    66,480,510.64x = 5,828,478,349,153,418
  5. Step 5: Solve for x
    x = 5,828,478,349,153,418/66,480,510.64
  6. Step 6: Final answer
    x = 87,671,985.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.