Home / 66,528,054.85-99,792,082.28-47,157,030.40

Finding the Fourth Proportional to 66,528,054.85, 99,792,082.28 and 47,157,030.40

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Solution

The fourth proportional to 66,528,054.85, 99,792,082.28 and 47,157,030.40 is: 70,735,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,054.85 : 99,792,082.28 = 47,157,030.40 : x
  2. Step 2: Convert to fraction form
    66,528,054.85/99,792,082.28 = 47,157,030.40/x
  3. Step 3: Cross multiply
    66,528,054.85x = 99,792,082.28 × 47,157,030.40
  4. Step 4: Simplify right side
    66,528,054.85x = 4,705,898,257,757,261
  5. Step 5: Solve for x
    x = 4,705,898,257,757,261/66,528,054.85
  6. Step 6: Final answer
    x = 70,735,545.60

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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.