Home / 100,931,547.59-139,285,659.95-54,521,801.51

Finding the Fourth Proportional to 100,931,547.59, 139,285,659.95 and 54,521,801.51

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Solution

The fourth proportional to 100,931,547.59, 139,285,659.95 and 54,521,801.51 is: 75,240,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,931,547.59 : 139,285,659.95 = 54,521,801.51 : x
  2. Step 2: Convert to fraction form
    100,931,547.59/139,285,659.95 = 54,521,801.51/x
  3. Step 3: Cross multiply
    100,931,547.59x = 139,285,659.95 × 54,521,801.51
  4. Step 4: Simplify right side
    100,931,547.59x = 7,594,105,105,002,157
  5. Step 5: Solve for x
    x = 7,594,105,105,002,157/100,931,547.59
  6. Step 6: Final answer
    x = 75,240,153.22

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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.