Home / 66,528,056.35-99,792,084.53-47,157,031.90

Finding the Fourth Proportional to 66,528,056.35, 99,792,084.53 and 47,157,031.90

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Solution

The fourth proportional to 66,528,056.35, 99,792,084.53 and 47,157,031.90 is: 70,735,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,056.35 : 99,792,084.53 = 47,157,031.90 : x
  2. Step 2: Convert to fraction form
    66,528,056.35/99,792,084.53 = 47,157,031.90/x
  3. Step 3: Cross multiply
    66,528,056.35x = 99,792,084.53 × 47,157,031.90
  4. Step 4: Simplify right side
    66,528,056.35x = 4,705,898,513,548,706
  5. Step 5: Solve for x
    x = 4,705,898,513,548,706/66,528,056.35
  6. Step 6: Final answer
    x = 70,735,547.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.