Home / 72,931,915.56-100,547,549.46-46,781,033.16

Finding the Fourth Proportional to 72,931,915.56, 100,547,549.46 and 46,781,033.16

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Solution

The fourth proportional to 72,931,915.56, 100,547,549.46 and 46,781,033.16 is: 64,494,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931,915.56 : 100,547,549.46 = 46,781,033.16 : x
  2. Step 2: Convert to fraction form
    72,931,915.56/100,547,549.46 = 46,781,033.16/x
  3. Step 3: Cross multiply
    72,931,915.56x = 100,547,549.46 × 46,781,033.16
  4. Step 4: Simplify right side
    72,931,915.56x = 4,703,718,245,444,999
  5. Step 5: Solve for x
    x = 4,703,718,245,444,999/72,931,915.56
  6. Step 6: Final answer
    x = 64,494,648.32

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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.