Home / 85,636,721.12-118,178,792.18-46,478,498.47

Finding the Fourth Proportional to 85,636,721.12, 118,178,792.18 and 46,478,498.47

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Solution

The fourth proportional to 85,636,721.12, 118,178,792.18 and 46,478,498.47 is: 64,140,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,721.12 : 118,178,792.18 = 46,478,498.47 : x
  2. Step 2: Convert to fraction form
    85,636,721.12/118,178,792.18 = 46,478,498.47/x
  3. Step 3: Cross multiply
    85,636,721.12x = 118,178,792.18 × 46,478,498.47
  4. Step 4: Simplify right side
    85,636,721.12x = 5,492,772,811,292,185
  5. Step 5: Solve for x
    x = 5,492,772,811,292,185/85,636,721.12
  6. Step 6: Final answer
    x = 64,140,391.41

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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.