Home / 66,411,154.16-99,523,091.88-31,358,869.28

Finding the Fourth Proportional to 66,411,154.16, 99,523,091.88 and 31,358,869.28

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Solution

The fourth proportional to 66,411,154.16, 99,523,091.88 and 31,358,869.28 is: 46,994,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,411,154.16 : 99,523,091.88 = 31,358,869.28 : x
  2. Step 2: Convert to fraction form
    66,411,154.16/99,523,091.88 = 31,358,869.28/x
  3. Step 3: Cross multiply
    66,411,154.16x = 99,523,091.88 × 31,358,869.28
  4. Step 4: Simplify right side
    66,411,154.16x = 3,120,931,628,606,349.50
  5. Step 5: Solve for x
    x = 3,120,931,628,606,349.50/66,411,154.16
  6. Step 6: Final answer
    x = 46,994,088.09

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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.