Home / 102,528,123.40-153,792,185.10-97,993,160.20

Finding the Fourth Proportional to 102,528,123.40, 153,792,185.10 and 97,993,160.20

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Solution

The fourth proportional to 102,528,123.40, 153,792,185.10 and 97,993,160.20 is: 146,989,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,123.40 : 153,792,185.10 = 97,993,160.20 : x
  2. Step 2: Convert to fraction form
    102,528,123.40/153,792,185.10 = 97,993,160.20/x
  3. Step 3: Cross multiply
    102,528,123.40x = 153,792,185.10 × 97,993,160.20
  4. Step 4: Simplify right side
    102,528,123.40x = 15,070,582,232,012,352
  5. Step 5: Solve for x
    x = 15,070,582,232,012,352/102,528,123.40
  6. Step 6: Final answer
    x = 146,989,740.30

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1.5x scale

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.