Home / 139,480,315.27-192,478,005.02-76,750,547.04

Finding the Fourth Proportional to 139,480,315.27, 192,478,005.02 and 76,750,547.04

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Solution

The fourth proportional to 139,480,315.27, 192,478,005.02 and 76,750,547.04 is: 105,913,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,480,315.27 : 192,478,005.02 = 76,750,547.04 : x
  2. Step 2: Convert to fraction form
    139,480,315.27/192,478,005.02 = 76,750,547.04/x
  3. Step 3: Cross multiply
    139,480,315.27x = 192,478,005.02 × 76,750,547.04
  4. Step 4: Simplify right side
    139,480,315.27x = 14,772,792,178,644,744
  5. Step 5: Solve for x
    x = 14,772,792,178,644,744/139,480,315.27
  6. Step 6: Final answer
    x = 105,913,097.13

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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.